19856525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 26810784

約数和(自身を除く): 6954259

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 571, 1391, 2675, 2855, 6955, 7423, 14275, 34775, 37115, 61097, 185575, 305485, 794261, 1527425, 3971305, 19856525]

約数ペア:

[(1, 19856525), (5, 3971305), (13, 1527425), (25, 794261), (65, 305485), (107, 185575), (325, 61097), (535, 37115), (571, 34775), (1391, 14275), (2675, 7423), (2855, 6955)]