19889281922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1\times {\mathrm{179743}}^1$

素因数の和:180713

約数の個数: 16

約数和(自身を含む): 30356604672

約数和(自身を除く): 10467322750

約数列:

[1, 2, 61, 122, 907, 1814, 55327, 110654, 179743, 359486, 10964323, 21928646, 163026901, 326053802, 9944640961, 19889281922]

約数ペア:

[(1, 19889281922), (2, 9944640961), (61, 326053802), (122, 163026901), (907, 21928646), (1814, 10964323), (55327, 359486), (110654, 179743)]