18187195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 7093445

約数列:

[1, 5, 13, 17, 65, 85, 109, 151, 221, 545, 755, 1105, 1417, 1853, 1963, 2567, 7085, 9265, 9815, 12835, 16459, 24089, 33371, 82295, 120445, 166855, 213967, 279803, 1069835, 1399015, 3637439, 18187195]

約数ペア:

[(1, 18187195), (5, 3637439), (13, 1399015), (17, 1069835), (65, 279803), (85, 213967), (109, 166855), (151, 120445), (221, 82295), (545, 33371), (755, 24089), (1105, 16459), (1417, 12835), (1853, 9815), (1963, 9265), (2567, 7085)]