18967958

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1591

約数の個数: 16

約数和(自身を含む): 29237760

約数和(自身を除く): 10269802

約数列:

[1, 2, 53, 106, 127, 254, 1409, 2818, 6731, 13462, 74677, 149354, 178943, 357886, 9483979, 18967958]

約数ペア:

[(1, 18967958), (2, 9483979), (53, 357886), (106, 178943), (127, 149354), (254, 74677), (1409, 13462), (2818, 6731)]