18572525

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 23864544

約数和(自身を除く): 5292019

約数列:

[1, 5, 25, 53, 107, 131, 265, 535, 655, 1325, 2675, 3275, 5671, 6943, 14017, 28355, 34715, 70085, 141775, 173575, 350425, 742901, 3714505, 18572525]

約数ペア:

[(1, 18572525), (5, 3714505), (25, 742901), (53, 350425), (107, 173575), (131, 141775), (265, 70085), (535, 34715), (655, 28355), (1325, 14017), (2675, 6943), (3275, 5671)]