18911822

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1319}}^1$

素因数の和:1495

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 10170418

約数列:

[1, 2, 67, 107, 134, 214, 1319, 2638, 7169, 14338, 88373, 141133, 176746, 282266, 9455911, 18911822]

約数ペア:

[(1, 18911822), (2, 9455911), (67, 282266), (107, 176746), (134, 141133), (214, 88373), (1319, 14338), (2638, 7169)]