18788068

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27793}}^1$

素因数の和:27823

約数の個数: 18

約数和(自身を含む): 35604114

約数和(自身を除く): 16816046

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27793, 55586, 111172, 361309, 722618, 1445236, 4697017, 9394034, 18788068]

約数ペア:

[(1, 18788068), (2, 9394034), (4, 4697017), (13, 1445236), (26, 722618), (52, 361309), (169, 111172), (338, 55586), (676, 27793)]