18276560

素因数分解:

$2^4\times 5^1\times {\mathrm{228457}}^1$

素因数の和:228470

約数の個数: 20

約数和(自身を含む): 42493188

約数和(自身を除く): 24216628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228457, 456914, 913828, 1142285, 1827656, 2284570, 3655312, 4569140, 9138280, 18276560]

約数ペア:

[(1, 18276560), (2, 9138280), (4, 4569140), (5, 3655312), (8, 2284570), (10, 1827656), (16, 1142285), (20, 913828), (40, 456914), (80, 228457)]