18035225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 24290112

約数和(自身を除く): 6254887

約数列:

[1, 5, 13, 25, 65, 211, 263, 325, 1055, 1315, 2743, 3419, 5275, 6575, 13715, 17095, 55493, 68575, 85475, 277465, 721409, 1387325, 3607045, 18035225]

約数ペア:

[(1, 18035225), (5, 3607045), (13, 1387325), (25, 721409), (65, 277465), (211, 85475), (263, 68575), (325, 55493), (1055, 17095), (1315, 13715), (2743, 6575), (3419, 5275)]