17920518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 27422202

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 79, 154, 158, 231, 237, 462, 474, 491, 553, 869, 982, 1106, 1473, 1659, 1738, 2607, 2946, 3318, 3437, 5214, 5401, 6083, 6874, 10311, 10802, 12166, 16203, 18249, 20622, 32406, 36498, 37807, 38789, 75614, 77578, 113421, 116367, 226842, 232734, 271523, 426679, 543046, 814569, 853358, 1280037, 1629138, 2560074, 2986753, 5973506, 8960259, 17920518]

約数ペア:

[(1, 17920518), (2, 8960259), (3, 5973506), (6, 2986753), (7, 2560074), (11, 1629138), (14, 1280037), (21, 853358), (22, 814569), (33, 543046), (42, 426679), (66, 271523), (77, 232734), (79, 226842), (154, 116367), (158, 113421), (231, 77578), (237, 75614), (462, 38789), (474, 37807), (491, 36498), (553, 32406), (869, 20622), (982, 18249), (1106, 16203), (1473, 12166), (1659, 10802), (1738, 10311), (2607, 6874), (2946, 6083), (3318, 5401), (3437, 5214)]