18859620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24179}}^1$

素因数の和:24204

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 38011740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24179, 48358, 72537, 96716, 120895, 145074, 241790, 290148, 314327, 362685, 483580, 628654, 725370, 942981, 1257308, 1450740, 1571635, 1885962, 3143270, 3771924, 4714905, 6286540, 9429810, 18859620]

約数ペア:

[(1, 18859620), (2, 9429810), (3, 6286540), (4, 4714905), (5, 3771924), (6, 3143270), (10, 1885962), (12, 1571635), (13, 1450740), (15, 1257308), (20, 942981), (26, 725370), (30, 628654), (39, 483580), (52, 362685), (60, 314327), (65, 290148), (78, 241790), (130, 145074), (156, 120895), (195, 96716), (260, 72537), (390, 48358), (780, 24179)]