31690138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{2039}}^1$

素因数の和:2469

約数の個数: 16

約数和(自身を含む): 50184000

約数和(自身を除く): 18493862

約数列:

[1, 2, 19, 38, 409, 818, 2039, 4078, 7771, 15542, 38741, 77482, 833951, 1667902, 15845069, 31690138]

約数ペア:

[(1, 31690138), (2, 15845069), (19, 1667902), (38, 833951), (409, 77482), (818, 38741), (2039, 15542), (4078, 7771)]