20183897990

素因数分解:

$2^1\times 5^1\times {\mathrm{19391}}^1\times {\mathrm{104089}}^1$

素因数の和:123487

約数の個数: 16

約数和(自身を含む): 36333239040

約数和(自身を除く): 16149341050

約数列:

[1, 2, 5, 10, 19391, 38782, 96955, 104089, 193910, 208178, 520445, 1040890, 2018389799, 4036779598, 10091948995, 20183897990]

約数ペア:

[(1, 20183897990), (2, 10091948995), (5, 4036779598), (10, 2018389799), (19391, 1040890), (38782, 520445), (96955, 208178), (104089, 193910)]