18239571

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3253}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 30457440

約数和(自身を除く): 12217869

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3253, 5607, 9759, 22771, 29277, 68313, 204939, 289517, 868551, 2026619, 2605653, 6079857, 18239571]

約数ペア:

[(1, 18239571), (3, 6079857), (7, 2605653), (9, 2026619), (21, 868551), (63, 289517), (89, 204939), (267, 68313), (623, 29277), (801, 22771), (1869, 9759), (3253, 5607)]