19916365

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13879}}^1$

素因数の和:13932

約数の個数: 16

約数和(自身を含む): 27982080

約数和(自身を除く): 8065715

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 13879, 69395, 97153, 485765, 569039, 2845195, 3983273, 19916365]

約数ペア:

[(1, 19916365), (5, 3983273), (7, 2845195), (35, 569039), (41, 485765), (205, 97153), (287, 69395), (1435, 13879)]