18931900519

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{58901}}^1$

素因数の和:59035

約数の個数: 32

約数和(自身を含む): 23851069056

約数和(自身を除く): 4919168537

約数列:

[1, 7, 17, 37, 73, 119, 259, 511, 629, 1241, 2701, 4403, 8687, 18907, 45917, 58901, 321419, 412307, 1001317, 2179337, 4299773, 7009219, 15255359, 30098411, 37048729, 73096141, 159091601, 259341103, 511672987, 1113641207, 2704557217, 18931900519]

約数ペア:

[(1, 18931900519), (7, 2704557217), (17, 1113641207), (37, 511672987), (73, 259341103), (119, 159091601), (259, 73096141), (511, 37048729), (629, 30098411), (1241, 15255359), (2701, 7009219), (4403, 4299773), (8687, 2179337), (18907, 1001317), (45917, 412307), (58901, 321419)]