19641146

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 34700160

約数和(自身を除く): 15059014

約数列:

[1, 2, 7, 14, 61, 109, 122, 211, 218, 422, 427, 763, 854, 1477, 1526, 2954, 6649, 12871, 13298, 22999, 25742, 45998, 46543, 90097, 93086, 160993, 180194, 321986, 1402939, 2805878, 9820573, 19641146]

約数ペア:

[(1, 19641146), (2, 9820573), (7, 2805878), (14, 1402939), (61, 321986), (109, 180194), (122, 160993), (211, 93086), (218, 90097), (422, 46543), (427, 45998), (763, 25742), (854, 22999), (1477, 13298), (1526, 12871), (2954, 6649)]