18817812

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1031}}^1$

素因数の和:1070

約数の個数: 72

約数和(自身を含む): 52879680

約数和(自身を除く): 34061868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1031, 1404, 1521, 2028, 2062, 3042, 3093, 4124, 4563, 6084, 6186, 9126, 9279, 12372, 13403, 18252, 18558, 26806, 27837, 37116, 40209, 53612, 55674, 80418, 111348, 120627, 160836, 174239, 241254, 348478, 361881, 482508, 522717, 696956, 723762, 1045434, 1447524, 1568151, 2090868, 3136302, 4704453, 6272604, 9408906, 18817812]

約数ペア:

[(1, 18817812), (2, 9408906), (3, 6272604), (4, 4704453), (6, 3136302), (9, 2090868), (12, 1568151), (13, 1447524), (18, 1045434), (26, 723762), (27, 696956), (36, 522717), (39, 482508), (52, 361881), (54, 348478), (78, 241254), (108, 174239), (117, 160836), (156, 120627), (169, 111348), (234, 80418), (338, 55674), (351, 53612), (468, 40209), (507, 37116), (676, 27837), (702, 26806), (1014, 18558), (1031, 18252), (1404, 13403), (1521, 12372), (2028, 9279), (2062, 9126), (3042, 6186), (3093, 6084), (4124, 4563)]