18804960740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{112997}}^1$

素因数の和:113216

約数の個数: 48

約数和(自身を含む): 40492155312

約数和(自身を除く): 21687194572

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 157, 212, 265, 314, 530, 628, 785, 1060, 1570, 3140, 8321, 16642, 33284, 41605, 83210, 112997, 166420, 225994, 451988, 564985, 1129970, 2259940, 5988841, 11977682, 17740529, 23955364, 29944205, 35481058, 59888410, 70962116, 88702645, 119776820, 177405290, 354810580, 940248037, 1880496074, 3760992148, 4701240185, 9402480370, 18804960740]

約数ペア:

[(1, 18804960740), (2, 9402480370), (4, 4701240185), (5, 3760992148), (10, 1880496074), (20, 940248037), (53, 354810580), (106, 177405290), (157, 119776820), (212, 88702645), (265, 70962116), (314, 59888410), (530, 35481058), (628, 29944205), (785, 23955364), (1060, 17740529), (1570, 11977682), (3140, 5988841), (8321, 2259940), (16642, 1129970), (33284, 564985), (41605, 451988), (83210, 225994), (112997, 166420)]