18505760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 192

約数和(自身を含む): 56899584

約数和(自身を除く): 38393824

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 41, 52, 56, 62, 65, 70, 80, 82, 91, 104, 112, 124, 130, 140, 155, 160, 164, 182, 205, 208, 217, 224, 248, 260, 280, 287, 310, 328, 364, 403, 410, 416, 434, 455, 496, 520, 533, 560, 574, 620, 656, 728, 806, 820, 868, 910, 992, 1040, 1066, 1085, 1120, 1148, 1240, 1271, 1312, 1435, 1456, 1612, 1640, 1736, 1820, 2015, 2080, 2132, 2170, 2296, 2480, 2542, 2665, 2821, 2870, 2912, 3224, 3280, 3472, 3640, 3731, 4030, 4264, 4340, 4592, 4960, 5084, 5330, 5642, 5740, 6355, 6448, 6560, 6944, 7280, 7462, 8060, 8528, 8680, 8897, 9184, 10168, 10660, 11284, 11480, 12710, 12896, 14105, 14560, 14924, 16120, 16523, 17056, 17360, 17794, 18655, 20336, 21320, 22568, 22960, 25420, 28210, 29848, 32240, 33046, 34720, 35588, 37310, 40672, 42640, 44485, 45136, 45920, 50840, 56420, 59696, 64480, 66092, 71176, 74620, 82615, 85280, 88970, 90272, 101680, 112840, 115661, 119392, 132184, 142352, 149240, 165230, 177940, 203360, 225680, 231322, 264368, 284704, 298480, 330460, 355880, 451360, 462644, 528736, 578305, 596960, 660920, 711760, 925288, 1156610, 1321840, 1423520, 1850576, 2313220, 2643680, 3701152, 4626440, 9252880, 18505760]

約数ペア:

[(1, 18505760), (2, 9252880), (4, 4626440), (5, 3701152), (7, 2643680), (8, 2313220), (10, 1850576), (13, 1423520), (14, 1321840), (16, 1156610), (20, 925288), (26, 711760), (28, 660920), (31, 596960), (32, 578305), (35, 528736), (40, 462644), (41, 451360), (52, 355880), (56, 330460), (62, 298480), (65, 284704), (70, 264368), (80, 231322), (82, 225680), (91, 203360), (104, 177940), (112, 165230), (124, 149240), (130, 142352), (140, 132184), (155, 119392), (160, 115661), (164, 112840), (182, 101680), (205, 90272), (208, 88970), (217, 85280), (224, 82615), (248, 74620), (260, 71176), (280, 66092), (287, 64480), (310, 59696), (328, 56420), (364, 50840), (403, 45920), (410, 45136), (416, 44485), (434, 42640), (455, 40672), (496, 37310), (520, 35588), (533, 34720), (560, 33046), (574, 32240), (620, 29848), (656, 28210), (728, 25420), (806, 22960), (820, 22568), (868, 21320), (910, 20336), (992, 18655), (1040, 17794), (1066, 17360), (1085, 17056), (1120, 16523), (1148, 16120), (1240, 14924), (1271, 14560), (1312, 14105), (1435, 12896), (1456, 12710), (1612, 11480), (1640, 11284), (1736, 10660), (1820, 10168), (2015, 9184), (2080, 8897), (2132, 8680), (2170, 8528), (2296, 8060), (2480, 7462), (2542, 7280), (2665, 6944), (2821, 6560), (2870, 6448), (2912, 6355), (3224, 5740), (3280, 5642), (3472, 5330), (3640, 5084), (3731, 4960), (4030, 4592), (4264, 4340)]