18778888984

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{80943487}}^1$

素因数の和:80943522

約数の個数: 16

約数和(自身を含む): 36424569600

約数和(自身を除く): 17645680616

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 80943487, 161886974, 323773948, 647547896, 2347361123, 4694722246, 9389444492, 18778888984]

約数ペア:

[(1, 18778888984), (2, 9389444492), (4, 4694722246), (8, 2347361123), (29, 647547896), (58, 323773948), (116, 161886974), (232, 80943487)]