18891384

素因数分解:

$2^3\times 3^1\times {\mathrm{311}}^1\times {\mathrm{2531}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 47399040

約数和(自身を除く): 28507656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 311, 622, 933, 1244, 1866, 2488, 2531, 3732, 5062, 7464, 7593, 10124, 15186, 20248, 30372, 60744, 787141, 1574282, 2361423, 3148564, 4722846, 6297128, 9445692, 18891384]

約数ペア:

[(1, 18891384), (2, 9445692), (3, 6297128), (4, 4722846), (6, 3148564), (8, 2361423), (12, 1574282), (24, 787141), (311, 60744), (622, 30372), (933, 20248), (1244, 15186), (1866, 10124), (2488, 7593), (2531, 7464), (3732, 5062)]