2018331640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3881407}}^1$

素因数の和:3881431

約数の個数: 32

約数和(自身を含む): 4890574080

約数和(自身を除く): 2872242440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3881407, 7762814, 15525628, 19407035, 31051256, 38814070, 50458291, 77628140, 100916582, 155256280, 201833164, 252291455, 403666328, 504582910, 1009165820, 2018331640]

約数ペア:

[(1, 2018331640), (2, 1009165820), (4, 504582910), (5, 403666328), (8, 252291455), (10, 201833164), (13, 155256280), (20, 100916582), (26, 77628140), (40, 50458291), (52, 38814070), (65, 31051256), (104, 19407035), (130, 15525628), (260, 7762814), (520, 3881407)]