18862893

素因数分解:

$3^2\times 7^2\times {\mathrm{42773}}^1$

素因数の和:42793

約数の個数: 18

約数和(自身を含む): 31695534

約数和(自身を除く): 12832641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 42773, 128319, 299411, 384957, 898233, 2095877, 2694699, 6287631, 18862893]

約数ペア:

[(1, 18862893), (3, 6287631), (7, 2694699), (9, 2095877), (21, 898233), (49, 384957), (63, 299411), (147, 128319), (441, 42773)]