19804538878

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{489557}}^1$

素因数の和:489851

約数の個数: 16

約数和(自身を含む): 30137190480

約数和(自身を除く): 10332651602

約数列:

[1, 2, 113, 179, 226, 358, 20227, 40454, 489557, 979114, 55319941, 87630703, 110639882, 175261406, 9902269439, 19804538878]

約数ペア:

[(1, 19804538878), (2, 9902269439), (113, 175261406), (179, 110639882), (226, 87630703), (358, 55319941), (20227, 979114), (40454, 489557)]