18750145

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 23001408

約数和(自身を除く): 4251263

約数列:

[1, 5, 101, 107, 347, 505, 535, 1735, 10807, 35047, 37129, 54035, 175235, 185645, 3750029, 18750145]

約数ペア:

[(1, 18750145), (5, 3750029), (101, 185645), (107, 175235), (347, 54035), (505, 37129), (535, 35047), (1735, 10807)]