2018759975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{4250021}}^1$

素因数の和:4250050

約数の個数: 12

約数和(自身を含む): 2635013640

約数和(自身を除く): 616253665

約数列:

[1, 5, 19, 25, 95, 475, 4250021, 21250105, 80750399, 106250525, 403751995, 2018759975]

約数ペア:

[(1, 2018759975), (5, 403751995), (19, 106250525), (25, 80750399), (95, 21250105), (475, 4250021)]