18543720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11887}}^1$

素因数の和:11914

約数の個数: 64

約数和(自身を含む): 59915520

約数和(自身を除く): 41371800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11887, 23774, 35661, 47548, 59435, 71322, 95096, 118870, 142644, 154531, 178305, 237740, 285288, 309062, 356610, 463593, 475480, 618124, 713220, 772655, 927186, 1236248, 1426440, 1545310, 1854372, 2317965, 3090620, 3708744, 4635930, 6181240, 9271860, 18543720]

約数ペア:

[(1, 18543720), (2, 9271860), (3, 6181240), (4, 4635930), (5, 3708744), (6, 3090620), (8, 2317965), (10, 1854372), (12, 1545310), (13, 1426440), (15, 1236248), (20, 927186), (24, 772655), (26, 713220), (30, 618124), (39, 475480), (40, 463593), (52, 356610), (60, 309062), (65, 285288), (78, 237740), (104, 178305), (120, 154531), (130, 142644), (156, 118870), (195, 95096), (260, 71322), (312, 59435), (390, 47548), (520, 35661), (780, 23774), (1560, 11887)]