18229905

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2957}}^1$

素因数の和:3105

約数の個数: 24

約数和(自身を含む): 31839912

約数和(自身を除く): 13610007

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 2957, 6165, 8871, 14785, 26613, 44355, 133065, 405109, 1215327, 2025545, 3645981, 6076635, 18229905]

約数ペア:

[(1, 18229905), (3, 6076635), (5, 3645981), (9, 2025545), (15, 1215327), (45, 405109), (137, 133065), (411, 44355), (685, 26613), (1233, 14785), (2055, 8871), (2957, 6165)]