18332440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 47511360

約数和(自身を除く): 29178920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 281, 466, 562, 932, 1124, 1165, 1405, 1631, 1864, 1967, 2248, 2330, 2810, 3262, 3934, 4660, 5620, 6524, 7868, 8155, 9320, 9835, 11240, 13048, 15736, 16310, 19670, 32620, 39340, 65240, 65473, 78680, 130946, 261892, 327365, 458311, 523784, 654730, 916622, 1309460, 1833244, 2291555, 2618920, 3666488, 4583110, 9166220, 18332440]

約数ペア:

[(1, 18332440), (2, 9166220), (4, 4583110), (5, 3666488), (7, 2618920), (8, 2291555), (10, 1833244), (14, 1309460), (20, 916622), (28, 654730), (35, 523784), (40, 458311), (56, 327365), (70, 261892), (140, 130946), (233, 78680), (280, 65473), (281, 65240), (466, 39340), (562, 32620), (932, 19670), (1124, 16310), (1165, 15736), (1405, 13048), (1631, 11240), (1864, 9835), (1967, 9320), (2248, 8155), (2330, 7868), (2810, 6524), (3262, 5620), (3934, 4660)]