18667472

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{2707}}^1$

素因数の和:3146

約数の個数: 20

約数和(自身を含む): 36265536

約数和(自身を除く): 17598064

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 2707, 3448, 5414, 6896, 10828, 21656, 43312, 1166717, 2333434, 4666868, 9333736, 18667472]

約数ペア:

[(1, 18667472), (2, 9333736), (4, 4666868), (8, 2333434), (16, 1166717), (431, 43312), (862, 21656), (1724, 10828), (2707, 6896), (3448, 5414)]