17210390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 15621610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 379, 478, 758, 1195, 1895, 2390, 3790, 4541, 7201, 9082, 14402, 22705, 36005, 45410, 72010, 90581, 181162, 452905, 905810, 1721039, 3442078, 8605195, 17210390]

約数ペア:

[(1, 17210390), (2, 8605195), (5, 3442078), (10, 1721039), (19, 905810), (38, 452905), (95, 181162), (190, 90581), (239, 72010), (379, 45410), (478, 36005), (758, 22705), (1195, 14402), (1895, 9082), (2390, 7201), (3790, 4541)]