18420292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6863}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 35747712

約数和(自身を除く): 17327420

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 6863, 13726, 27452, 75493, 150986, 301972, 418643, 837286, 1674572, 4605073, 9210146, 18420292]

約数ペア:

[(1, 18420292), (2, 9210146), (4, 4605073), (11, 1674572), (22, 837286), (44, 418643), (61, 301972), (122, 150986), (244, 75493), (671, 27452), (1342, 13726), (2684, 6863)]