18779240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16189}}^1$

素因数の和:16229

約数の個数: 32

約数和(自身を含む): 43713000

約数和(自身を除く): 24933760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16189, 32378, 64756, 80945, 129512, 161890, 323780, 469481, 647560, 938962, 1877924, 2347405, 3755848, 4694810, 9389620, 18779240]

約数ペア:

[(1, 18779240), (2, 9389620), (4, 4694810), (5, 3755848), (8, 2347405), (10, 1877924), (20, 938962), (29, 647560), (40, 469481), (58, 323780), (116, 161890), (145, 129512), (232, 80945), (290, 64756), (580, 32378), (1160, 16189)]