18885967966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{27457}}^1$

素因数の和:28288

約数の個数: 32

約数和(自身を含む): 31157141760

約数和(自身を除く): 12271173794

約数列:

[1, 2, 19, 23, 38, 46, 437, 787, 874, 1574, 14953, 18101, 27457, 29906, 36202, 54914, 343919, 521683, 631511, 687838, 1043366, 1263022, 11998709, 21608659, 23997418, 43217318, 410564521, 496999157, 821129042, 993998314, 9442983983, 18885967966]

約数ペア:

[(1, 18885967966), (2, 9442983983), (19, 993998314), (23, 821129042), (38, 496999157), (46, 410564521), (437, 43217318), (787, 23997418), (874, 21608659), (1574, 11998709), (14953, 1263022), (18101, 1043366), (27457, 687838), (29906, 631511), (36202, 521683), (54914, 343919)]