19267856

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10657}}^1$

素因数の和:10778

約数の個数: 20

約数和(自身を含む): 37665372

約数和(自身を除く): 18397516

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10657, 21314, 42628, 85256, 170512, 1204241, 2408482, 4816964, 9633928, 19267856]

約数ペア:

[(1, 19267856), (2, 9633928), (4, 4816964), (8, 2408482), (16, 1204241), (113, 170512), (226, 85256), (452, 42628), (904, 21314), (1808, 10657)]