18901058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7603}}^1$

素因数の和:7729

約数の個数: 16

約数和(自身を含む): 31206816

約数和(自身を除く): 12305758

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7603, 15206, 83633, 167266, 859139, 1718278, 9450529, 18901058]

約数ペア:

[(1, 18901058), (2, 9450529), (11, 1718278), (22, 859139), (113, 167266), (226, 83633), (1243, 15206), (2486, 7603)]