19892151

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{15901}}^1$

素因数の和:16046

約数の個数: 12

約数和(自身を含む): 28941640

約数和(自身を除く): 9049489

約数列:

[1, 3, 9, 139, 417, 1251, 15901, 47703, 143109, 2210239, 6630717, 19892151]

約数ペア:

[(1, 19892151), (3, 6630717), (9, 2210239), (139, 143109), (417, 47703), (1251, 15901)]