18420804868

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{5581}}^1\times {\mathrm{15569}}^1$

素因数の和:21207

約数の個数: 24

約数和(自身を含む): 32852637720

約数和(自身を除く): 14431832852

約数列:

[1, 2, 4, 53, 106, 212, 5581, 11162, 15569, 22324, 31138, 62276, 295793, 591586, 825157, 1183172, 1650314, 3300628, 86890589, 173781178, 347562356, 4605201217, 9210402434, 18420804868]

約数ペア:

[(1, 18420804868), (2, 9210402434), (4, 4605201217), (53, 347562356), (106, 173781178), (212, 86890589), (5581, 3300628), (11162, 1650314), (15569, 1183172), (22324, 825157), (31138, 591586), (62276, 295793)]