19887946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 14303414

約数列:

[1, 2, 13, 19, 26, 38, 127, 247, 254, 317, 494, 634, 1651, 2413, 3302, 4121, 4826, 6023, 8242, 12046, 31369, 40259, 62738, 78299, 80518, 156598, 523367, 764921, 1046734, 1529842, 9943973, 19887946]

約数ペア:

[(1, 19887946), (2, 9943973), (13, 1529842), (19, 1046734), (26, 764921), (38, 523367), (127, 156598), (247, 80518), (254, 78299), (317, 62738), (494, 40259), (634, 31369), (1651, 12046), (2413, 8242), (3302, 6023), (4121, 4826)]