18837243

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 28394496

約数和(自身を除く): 9557253

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 631, 963, 1893, 3317, 5679, 9951, 19561, 29853, 58683, 67517, 176049, 202551, 607653, 2093027, 6279081, 18837243]

約数ペア:

[(1, 18837243), (3, 6279081), (9, 2093027), (31, 607653), (93, 202551), (107, 176049), (279, 67517), (321, 58683), (631, 29853), (963, 19561), (1893, 9951), (3317, 5679)]