18735513

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{3251}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 26692416

約数和(自身を除く): 7956903

約数列:

[1, 3, 17, 51, 113, 339, 1921, 3251, 5763, 9753, 55267, 165801, 367363, 1102089, 6245171, 18735513]

約数ペア:

[(1, 18735513), (3, 6245171), (17, 1102089), (51, 367363), (113, 165801), (339, 55267), (1921, 9753), (3251, 5763)]