17909788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2113}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 33976208

約数和(自身を除く): 16066420

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2113, 2119, 4226, 4238, 8452, 8476, 27469, 54938, 109876, 344419, 688838, 1377676, 4477447, 8954894, 17909788]

約数ペア:

[(1, 17909788), (2, 8954894), (4, 4477447), (13, 1377676), (26, 688838), (52, 344419), (163, 109876), (326, 54938), (652, 27469), (2113, 8476), (2119, 8452), (4226, 4238)]