18420804844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2161}}^1\times {\mathrm{163927}}^1$

素因数の和:166105

約数の個数: 24

約数和(自身を含む): 34732408928

約数和(自身を除く): 16311604084

約数列:

[1, 2, 4, 13, 26, 52, 2161, 4322, 8644, 28093, 56186, 112372, 163927, 327854, 655708, 2131051, 4262102, 8524204, 354246247, 708492494, 1416984988, 4605201211, 9210402422, 18420804844]

約数ペア:

[(1, 18420804844), (2, 9210402422), (4, 4605201211), (13, 1416984988), (26, 708492494), (52, 354246247), (2161, 8524204), (4322, 4262102), (8644, 2131051), (28093, 655708), (56186, 327854), (112372, 163927)]