18518666

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{1223}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 28465344

約数和(自身を除く): 9946678

約数列:

[1, 2, 67, 113, 134, 226, 1223, 2446, 7571, 15142, 81941, 138199, 163882, 276398, 9259333, 18518666]

約数ペア:

[(1, 18518666), (2, 9259333), (67, 276398), (113, 163882), (134, 138199), (226, 81941), (1223, 15142), (2446, 7571)]