18018004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3103

約数の個数: 24

約数和(自身を含む): 33622400

約数和(自身を除く): 15604396

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3001, 3002, 6002, 6004, 12004, 57019, 114038, 228076, 237079, 474158, 948316, 4504501, 9009002, 18018004]

約数ペア:

[(1, 18018004), (2, 9009002), (4, 4504501), (19, 948316), (38, 474158), (76, 237079), (79, 228076), (158, 114038), (316, 57019), (1501, 12004), (3001, 6004), (3002, 6002)]