18791188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 38843280

約数和(自身を除く): 20052092

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 442, 493, 733, 754, 884, 986, 1466, 1508, 1972, 2932, 6409, 9529, 12461, 12818, 19058, 21257, 24922, 25636, 38116, 42514, 49844, 85028, 161993, 276341, 323986, 361369, 552682, 647972, 722738, 1105364, 1445476, 4697797, 9395594, 18791188]

約数ペア:

[(1, 18791188), (2, 9395594), (4, 4697797), (13, 1445476), (17, 1105364), (26, 722738), (29, 647972), (34, 552682), (52, 361369), (58, 323986), (68, 276341), (116, 161993), (221, 85028), (377, 49844), (442, 42514), (493, 38116), (733, 25636), (754, 24922), (884, 21257), (986, 19058), (1466, 12818), (1508, 12461), (1972, 9529), (2932, 6409)]