19809492142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{900431461}}^1$

素因数の和:900431474

約数の個数: 8

約数和(自身を含む): 32415532632

約数和(自身を除く): 12606040490

約数列:

[1, 2, 11, 22, 900431461, 1800862922, 9904746071, 19809492142]

約数ペア:

[(1, 19809492142), (2, 9904746071), (11, 1800862922), (22, 900431461)]