18775233

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{1201}}^1$

素因数の和:1406

約数の個数: 20

約数和(自身を含む): 28215748

約数和(自身を除く): 9440515

約数列:

[1, 3, 9, 27, 81, 193, 579, 1201, 1737, 3603, 5211, 10809, 15633, 32427, 97281, 231793, 695379, 2086137, 6258411, 18775233]

約数ペア:

[(1, 18775233), (3, 6258411), (9, 2086137), (27, 695379), (81, 231793), (193, 97281), (579, 32427), (1201, 15633), (1737, 10809), (3603, 5211)]