18801992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{213659}}^1$

素因数の和:213676

約数の個数: 16

約数和(自身を含む): 38458800

約数和(自身を除く): 19656808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 213659, 427318, 854636, 1709272, 2350249, 4700498, 9400996, 18801992]

約数ペア:

[(1, 18801992), (2, 9400996), (4, 4700498), (8, 2350249), (11, 1709272), (22, 854636), (44, 427318), (88, 213659)]