18497640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 68031360

約数和(自身を除く): 49533720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 61, 70, 76, 84, 95, 105, 114, 120, 122, 133, 140, 152, 168, 183, 190, 210, 228, 244, 266, 280, 285, 305, 361, 366, 380, 399, 420, 427, 456, 488, 532, 570, 610, 665, 722, 732, 760, 798, 840, 854, 915, 1064, 1083, 1140, 1159, 1220, 1281, 1330, 1444, 1464, 1596, 1708, 1805, 1830, 1995, 2135, 2166, 2280, 2318, 2440, 2527, 2562, 2660, 2888, 3192, 3416, 3477, 3610, 3660, 3990, 4270, 4332, 4636, 5054, 5124, 5320, 5415, 5795, 6405, 6954, 7220, 7320, 7581, 7980, 8113, 8540, 8664, 9272, 10108, 10248, 10830, 11590, 12635, 12810, 13908, 14440, 15162, 15960, 16226, 17080, 17385, 20216, 21660, 22021, 23180, 24339, 25270, 25620, 27816, 30324, 32452, 34770, 37905, 40565, 43320, 44042, 46360, 48678, 50540, 51240, 60648, 64904, 66063, 69540, 75810, 81130, 88084, 97356, 101080, 110105, 121695, 132126, 139080, 151620, 154147, 162260, 176168, 194712, 220210, 243390, 264252, 303240, 308294, 324520, 330315, 440420, 462441, 486780, 528504, 616588, 660630, 770735, 880840, 924882, 973560, 1233176, 1321260, 1541470, 1849764, 2312205, 2642520, 3082940, 3699528, 4624410, 6165880, 9248820, 18497640]

約数ペア:

[(1, 18497640), (2, 9248820), (3, 6165880), (4, 4624410), (5, 3699528), (6, 3082940), (7, 2642520), (8, 2312205), (10, 1849764), (12, 1541470), (14, 1321260), (15, 1233176), (19, 973560), (20, 924882), (21, 880840), (24, 770735), (28, 660630), (30, 616588), (35, 528504), (38, 486780), (40, 462441), (42, 440420), (56, 330315), (57, 324520), (60, 308294), (61, 303240), (70, 264252), (76, 243390), (84, 220210), (95, 194712), (105, 176168), (114, 162260), (120, 154147), (122, 151620), (133, 139080), (140, 132126), (152, 121695), (168, 110105), (183, 101080), (190, 97356), (210, 88084), (228, 81130), (244, 75810), (266, 69540), (280, 66063), (285, 64904), (305, 60648), (361, 51240), (366, 50540), (380, 48678), (399, 46360), (420, 44042), (427, 43320), (456, 40565), (488, 37905), (532, 34770), (570, 32452), (610, 30324), (665, 27816), (722, 25620), (732, 25270), (760, 24339), (798, 23180), (840, 22021), (854, 21660), (915, 20216), (1064, 17385), (1083, 17080), (1140, 16226), (1159, 15960), (1220, 15162), (1281, 14440), (1330, 13908), (1444, 12810), (1464, 12635), (1596, 11590), (1708, 10830), (1805, 10248), (1830, 10108), (1995, 9272), (2135, 8664), (2166, 8540), (2280, 8113), (2318, 7980), (2440, 7581), (2527, 7320), (2562, 7220), (2660, 6954), (2888, 6405), (3192, 5795), (3416, 5415), (3477, 5320), (3610, 5124), (3660, 5054), (3990, 4636), (4270, 4332)]