18740644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3499}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 35672000

約数和(自身を除く): 16931356

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3499, 5356, 6998, 13996, 45487, 90974, 181948, 360397, 720794, 1441588, 4685161, 9370322, 18740644]

約数ペア:

[(1, 18740644), (2, 9370322), (4, 4685161), (13, 1441588), (26, 720794), (52, 360397), (103, 181948), (206, 90974), (412, 45487), (1339, 13996), (2678, 6998), (3499, 5356)]