18548901

素因数分解:

$3^2\times 7^2\times {\mathrm{42061}}^1$

素因数の和:42081

約数の個数: 18

約数和(自身を含む): 31167942

約数和(自身を除く): 12619041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 42061, 126183, 294427, 378549, 883281, 2060989, 2649843, 6182967, 18548901]

約数ペア:

[(1, 18548901), (3, 6182967), (7, 2649843), (9, 2060989), (21, 883281), (49, 378549), (63, 294427), (147, 126183), (441, 42061)]