19955416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11287}}^1$

素因数の和:11323

約数の個数: 32

約数和(自身を含む): 42668640

約数和(自身を除く): 22713224

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11287, 22574, 45148, 90296, 146731, 191879, 293462, 383758, 586924, 767516, 1173848, 1535032, 2494427, 4988854, 9977708, 19955416]

約数ペア:

[(1, 19955416), (2, 9977708), (4, 4988854), (8, 2494427), (13, 1535032), (17, 1173848), (26, 767516), (34, 586924), (52, 383758), (68, 293462), (104, 191879), (136, 146731), (221, 90296), (442, 45148), (884, 22574), (1768, 11287)]