19872506

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2861}}^1$

素因数の和:3037

約数の個数: 16

約数和(自身を含む): 31321728

約数和(自身を除く): 11449222

約数列:

[1, 2, 23, 46, 151, 302, 2861, 3473, 5722, 6946, 65803, 131606, 432011, 864022, 9936253, 19872506]

約数ペア:

[(1, 19872506), (2, 9936253), (23, 864022), (46, 432011), (151, 131606), (302, 65803), (2861, 6946), (3473, 5722)]