19445580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 77995008

約数和(自身を除く): 58549428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 28, 30, 33, 35, 36, 42, 44, 45, 46, 55, 60, 61, 63, 66, 69, 70, 77, 84, 90, 92, 99, 105, 110, 115, 122, 126, 132, 138, 140, 154, 161, 165, 180, 183, 198, 207, 210, 220, 230, 231, 244, 252, 253, 276, 305, 308, 315, 322, 330, 345, 366, 385, 396, 414, 420, 427, 460, 462, 483, 495, 506, 549, 610, 630, 644, 660, 671, 690, 693, 732, 759, 770, 805, 828, 854, 915, 924, 966, 990, 1012, 1035, 1098, 1155, 1220, 1260, 1265, 1281, 1342, 1380, 1386, 1403, 1449, 1518, 1540, 1610, 1708, 1771, 1830, 1932, 1980, 2013, 2070, 2135, 2196, 2277, 2310, 2415, 2530, 2562, 2684, 2745, 2772, 2806, 2898, 3036, 3220, 3355, 3465, 3542, 3660, 3795, 3843, 4026, 4140, 4209, 4270, 4554, 4620, 4697, 4830, 5060, 5124, 5313, 5490, 5612, 5796, 6039, 6405, 6710, 6930, 7015, 7084, 7245, 7590, 7686, 8052, 8418, 8540, 8855, 9108, 9394, 9660, 9821, 10065, 10626, 10980, 11385, 12078, 12627, 12810, 13420, 13860, 14030, 14091, 14490, 15180, 15372, 15433, 15939, 16836, 17710, 18788, 19215, 19642, 20130, 21045, 21252, 22770, 23485, 24156, 25254, 25620, 26565, 28060, 28182, 28980, 29463, 30195, 30866, 31878, 35420, 38430, 39284, 40260, 42090, 42273, 45540, 46299, 46970, 49105, 50508, 53130, 56364, 58926, 60390, 61732, 63135, 63756, 70455, 76860, 77165, 79695, 84180, 84546, 88389, 92598, 93940, 98210, 106260, 108031, 117852, 120780, 126270, 138897, 140910, 147315, 154330, 159390, 169092, 176778, 185196, 196420, 211365, 216062, 231495, 252540, 277794, 281820, 294630, 308660, 318780, 324093, 353556, 422730, 432124, 441945, 462990, 540155, 555588, 589260, 648186, 694485, 845460, 883890, 925980, 972279, 1080310, 1296372, 1388970, 1620465, 1767780, 1944558, 2160620, 2777940, 3240930, 3889116, 4861395, 6481860, 9722790, 19445580]

約数ペア:

[(1, 19445580), (2, 9722790), (3, 6481860), (4, 4861395), (5, 3889116), (6, 3240930), (7, 2777940), (9, 2160620), (10, 1944558), (11, 1767780), (12, 1620465), (14, 1388970), (15, 1296372), (18, 1080310), (20, 972279), (21, 925980), (22, 883890), (23, 845460), (28, 694485), (30, 648186), (33, 589260), (35, 555588), (36, 540155), (42, 462990), (44, 441945), (45, 432124), (46, 422730), (55, 353556), (60, 324093), (61, 318780), (63, 308660), (66, 294630), (69, 281820), (70, 277794), (77, 252540), (84, 231495), (90, 216062), (92, 211365), (99, 196420), (105, 185196), (110, 176778), (115, 169092), (122, 159390), (126, 154330), (132, 147315), (138, 140910), (140, 138897), (154, 126270), (161, 120780), (165, 117852), (180, 108031), (183, 106260), (198, 98210), (207, 93940), (210, 92598), (220, 88389), (230, 84546), (231, 84180), (244, 79695), (252, 77165), (253, 76860), (276, 70455), (305, 63756), (308, 63135), (315, 61732), (322, 60390), (330, 58926), (345, 56364), (366, 53130), (385, 50508), (396, 49105), (414, 46970), (420, 46299), (427, 45540), (460, 42273), (462, 42090), (483, 40260), (495, 39284), (506, 38430), (549, 35420), (610, 31878), (630, 30866), (644, 30195), (660, 29463), (671, 28980), (690, 28182), (693, 28060), (732, 26565), (759, 25620), (770, 25254), (805, 24156), (828, 23485), (854, 22770), (915, 21252), (924, 21045), (966, 20130), (990, 19642), (1012, 19215), (1035, 18788), (1098, 17710), (1155, 16836), (1220, 15939), (1260, 15433), (1265, 15372), (1281, 15180), (1342, 14490), (1380, 14091), (1386, 14030), (1403, 13860), (1449, 13420), (1518, 12810), (1540, 12627), (1610, 12078), (1708, 11385), (1771, 10980), (1830, 10626), (1932, 10065), (1980, 9821), (2013, 9660), (2070, 9394), (2135, 9108), (2196, 8855), (2277, 8540), (2310, 8418), (2415, 8052), (2530, 7686), (2562, 7590), (2684, 7245), (2745, 7084), (2772, 7015), (2806, 6930), (2898, 6710), (3036, 6405), (3220, 6039), (3355, 5796), (3465, 5612), (3542, 5490), (3660, 5313), (3795, 5124), (3843, 5060), (4026, 4830), (4140, 4697), (4209, 4620), (4270, 4554)]