19886940002

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1\times {\mathrm{50159}}^1$

素因数の和:51745

約数の個数: 16

約数和(自身を含む): 30069515520

約数和(自身を除く): 10182575518

約数列:

[1, 2, 137, 274, 1447, 2894, 50159, 100318, 198239, 396478, 6871783, 13743566, 72580073, 145160146, 9943470001, 19886940002]

約数ペア:

[(1, 19886940002), (2, 9943470001), (137, 145160146), (274, 72580073), (1447, 13743566), (2894, 6871783), (50159, 396478), (100318, 198239)]