18883238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4357}}^1$

素因数の和:4567

約数の個数: 16

約数和(自身を含む): 31063824

約数和(自身を除く): 12180586

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4357, 8714, 47927, 95854, 858329, 1716658, 9441619, 18883238]

約数ペア:

[(1, 18883238), (2, 9441619), (11, 1716658), (22, 858329), (197, 95854), (394, 47927), (2167, 8714), (4334, 4357)]