19702286

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 31829760

約数和(自身を除く): 12127474

約数列:

[1, 2, 17, 34, 89, 178, 289, 383, 578, 766, 1513, 3026, 6511, 13022, 25721, 34087, 51442, 68174, 110687, 221374, 579479, 1158958, 9851143, 19702286]

約数ペア:

[(1, 19702286), (2, 9851143), (17, 1158958), (34, 579479), (89, 221374), (178, 110687), (289, 68174), (383, 51442), (578, 34087), (766, 25721), (1513, 13022), (3026, 6511)]