19665268

素因数分解:

$2^2\times 7^2\times {\mathrm{100333}}^1$

素因数の和:100351

約数の個数: 18

約数和(自身を含む): 40033266

約数和(自身を除く): 20367998

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 100333, 200666, 401332, 702331, 1404662, 2809324, 4916317, 9832634, 19665268]

約数ペア:

[(1, 19665268), (2, 9832634), (4, 4916317), (7, 2809324), (14, 1404662), (28, 702331), (49, 401332), (98, 200666), (196, 100333)]