18496920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 42466920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 167, 195, 213, 260, 284, 312, 334, 355, 390, 426, 501, 520, 568, 668, 710, 780, 835, 852, 923, 1002, 1065, 1336, 1420, 1560, 1670, 1704, 1846, 2004, 2130, 2171, 2505, 2769, 2840, 3340, 3692, 4008, 4260, 4342, 4615, 5010, 5538, 6513, 6680, 7384, 8520, 8684, 9230, 10020, 10855, 11076, 11857, 13026, 13845, 17368, 18460, 20040, 21710, 22152, 23714, 26052, 27690, 32565, 35571, 36920, 43420, 47428, 52104, 55380, 59285, 65130, 71142, 86840, 94856, 110760, 118570, 130260, 142284, 154141, 177855, 237140, 260520, 284568, 308282, 355710, 462423, 474280, 616564, 711420, 770705, 924846, 1233128, 1422840, 1541410, 1849692, 2312115, 3082820, 3699384, 4624230, 6165640, 9248460, 18496920]

約数ペア:

[(1, 18496920), (2, 9248460), (3, 6165640), (4, 4624230), (5, 3699384), (6, 3082820), (8, 2312115), (10, 1849692), (12, 1541410), (13, 1422840), (15, 1233128), (20, 924846), (24, 770705), (26, 711420), (30, 616564), (39, 474280), (40, 462423), (52, 355710), (60, 308282), (65, 284568), (71, 260520), (78, 237140), (104, 177855), (120, 154141), (130, 142284), (142, 130260), (156, 118570), (167, 110760), (195, 94856), (213, 86840), (260, 71142), (284, 65130), (312, 59285), (334, 55380), (355, 52104), (390, 47428), (426, 43420), (501, 36920), (520, 35571), (568, 32565), (668, 27690), (710, 26052), (780, 23714), (835, 22152), (852, 21710), (923, 20040), (1002, 18460), (1065, 17368), (1336, 13845), (1420, 13026), (1560, 11857), (1670, 11076), (1704, 10855), (1846, 10020), (2004, 9230), (2130, 8684), (2171, 8520), (2505, 7384), (2769, 6680), (2840, 6513), (3340, 5538), (3692, 5010), (4008, 4615), (4260, 4342)]