19198084

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 34532568

約数和(自身を除く): 15334484

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 661, 1322, 2644, 7261, 14522, 29044, 35033, 70066, 90557, 140132, 181114, 362228, 4799521, 9599042, 19198084]

約数ペア:

[(1, 19198084), (2, 9599042), (4, 4799521), (53, 362228), (106, 181114), (137, 140132), (212, 90557), (274, 70066), (548, 35033), (661, 29044), (1322, 14522), (2644, 7261)]