18816345

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2417}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 32817096

約数和(自身を除く): 14000751

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2417, 2595, 7251, 7785, 12085, 21753, 36255, 108765, 418141, 1254423, 2090705, 3763269, 6272115, 18816345]

約数ペア:

[(1, 18816345), (3, 6272115), (5, 3763269), (9, 2090705), (15, 1254423), (45, 418141), (173, 108765), (519, 36255), (865, 21753), (1557, 12085), (2417, 7785), (2595, 7251)]