18212811

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 26115264

約数和(自身を除く): 7902453

約数列:

[1, 3, 19, 57, 67, 201, 251, 361, 753, 1083, 1273, 3819, 4769, 14307, 16817, 24187, 50451, 72561, 90611, 271833, 319523, 958569, 6070937, 18212811]

約数ペア:

[(1, 18212811), (3, 6070937), (19, 958569), (57, 319523), (67, 271833), (201, 90611), (251, 72561), (361, 50451), (753, 24187), (1083, 16817), (1273, 14307), (3819, 4769)]