19518804

素因数分解:

$2^2\times 3^2\times {\mathrm{542189}}^1$

素因数の和:542199

約数の個数: 18

約数和(自身を含む): 49339290

約数和(自身を除く): 29820486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 542189, 1084378, 1626567, 2168756, 3253134, 4879701, 6506268, 9759402, 19518804]

約数ペア:

[(1, 19518804), (2, 9759402), (3, 6506268), (4, 4879701), (6, 3253134), (9, 2168756), (12, 1626567), (18, 1084378), (36, 542189)]