17438740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 41255424

約数和(自身を除く): 23816684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2557, 3410, 5114, 6820, 10228, 12785, 25570, 28127, 51140, 56254, 79267, 112508, 140635, 158534, 281270, 317068, 396335, 562540, 792670, 871937, 1585340, 1743874, 3487748, 4359685, 8719370, 17438740]

約数ペア:

[(1, 17438740), (2, 8719370), (4, 4359685), (5, 3487748), (10, 1743874), (11, 1585340), (20, 871937), (22, 792670), (31, 562540), (44, 396335), (55, 317068), (62, 281270), (110, 158534), (124, 140635), (155, 112508), (220, 79267), (310, 56254), (341, 51140), (620, 28127), (682, 25570), (1364, 12785), (1705, 10228), (2557, 6820), (3410, 5114)]