18814352

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 38124792

約数和(自身を除く): 19310440

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 521, 592, 976, 1042, 2084, 2257, 4168, 4514, 8336, 9028, 18056, 19277, 31781, 36112, 38554, 63562, 77108, 127124, 154216, 254248, 308432, 508496, 1175897, 2351794, 4703588, 9407176, 18814352]

約数ペア:

[(1, 18814352), (2, 9407176), (4, 4703588), (8, 2351794), (16, 1175897), (37, 508496), (61, 308432), (74, 254248), (122, 154216), (148, 127124), (244, 77108), (296, 63562), (488, 38554), (521, 36112), (592, 31781), (976, 19277), (1042, 18056), (2084, 9028), (2257, 8336), (4168, 4514)]