18069475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 23870000

約数和(自身を除く): 5800525

約数列:

[1, 5, 19, 25, 95, 109, 349, 475, 545, 1745, 2071, 2725, 6631, 8725, 10355, 33155, 38041, 51775, 165775, 190205, 722779, 951025, 3613895, 18069475]

約数ペア:

[(1, 18069475), (5, 3613895), (19, 951025), (25, 722779), (95, 190205), (109, 165775), (349, 51775), (475, 38041), (545, 33155), (1745, 10355), (2071, 8725), (2725, 6631)]