18789620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40847}}^1$

素因数の和:40879

約数の個数: 24

約数和(自身を含む): 41174784

約数和(自身を除く): 22385164

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40847, 81694, 163388, 204235, 408470, 816940, 939481, 1878962, 3757924, 4697405, 9394810, 18789620]

約数ペア:

[(1, 18789620), (2, 9394810), (4, 4697405), (5, 3757924), (10, 1878962), (20, 939481), (23, 816940), (46, 408470), (92, 204235), (115, 163388), (230, 81694), (460, 40847)]