19620856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144271}}^1$

素因数の和:144294

約数の個数: 16

約数和(自身を含む): 38953440

約数和(自身を除く): 19332584

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144271, 288542, 577084, 1154168, 2452607, 4905214, 9810428, 19620856]

約数ペア:

[(1, 19620856), (2, 9810428), (4, 4905214), (8, 2452607), (17, 1154168), (34, 577084), (68, 288542), (136, 144271)]