18940675

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{4483}}^1$

素因数の和:4519

約数の個数: 18

約数和(自身を含む): 25437732

約数和(自身を除く): 6497057

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 4483, 22415, 58279, 112075, 291395, 757627, 1456975, 3788135, 18940675]

約数ペア:

[(1, 18940675), (5, 3788135), (13, 1456975), (25, 757627), (65, 291395), (169, 112075), (325, 58279), (845, 22415), (4225, 4483)]