18176418

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 42751800

約数和(自身を除く): 24575382

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 173, 234, 346, 449, 519, 898, 1038, 1347, 1557, 2249, 2694, 3114, 4041, 4498, 5837, 6747, 8082, 11674, 13494, 17511, 20241, 35022, 40482, 52533, 77677, 105066, 155354, 233031, 466062, 699093, 1009801, 1398186, 2019602, 3029403, 6058806, 9088209, 18176418]

約数ペア:

[(1, 18176418), (2, 9088209), (3, 6058806), (6, 3029403), (9, 2019602), (13, 1398186), (18, 1009801), (26, 699093), (39, 466062), (78, 233031), (117, 155354), (173, 105066), (234, 77677), (346, 52533), (449, 40482), (519, 35022), (898, 20241), (1038, 17511), (1347, 13494), (1557, 11674), (2249, 8082), (2694, 6747), (3114, 5837), (4041, 4498)]