18987110530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1\times {\mathrm{73471}}^1$

素因数の和:74122

約数の個数: 32

約数和(自身を含む): 35030274048

約数和(自身を除く): 16043163518

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 601, 1202, 3005, 6010, 25843, 51686, 73471, 129215, 146942, 258430, 367355, 734710, 3159253, 6318506, 15796265, 31592530, 44156071, 88312142, 220780355, 441560710, 1898711053, 3797422106, 9493555265, 18987110530]

約数ペア:

[(1, 18987110530), (2, 9493555265), (5, 3797422106), (10, 1898711053), (43, 441560710), (86, 220780355), (215, 88312142), (430, 44156071), (601, 31592530), (1202, 15796265), (3005, 6318506), (6010, 3159253), (25843, 734710), (51686, 367355), (73471, 258430), (129215, 146942)]