19195618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 33176304

約数和(自身を除く): 13980686

約数列:

[1, 2, 13, 17, 26, 34, 137, 221, 274, 317, 442, 634, 1781, 2329, 3562, 4121, 4658, 5389, 8242, 10778, 30277, 43429, 60554, 70057, 86858, 140114, 564577, 738293, 1129154, 1476586, 9597809, 19195618]

約数ペア:

[(1, 19195618), (2, 9597809), (13, 1476586), (17, 1129154), (26, 738293), (34, 564577), (137, 140114), (221, 86858), (274, 70057), (317, 60554), (442, 43429), (634, 30277), (1781, 10778), (2329, 8242), (3562, 5389), (4121, 4658)]