18539421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7933}}^1$

素因数の和:7996

約数の個数: 16

約数和(自身を含む): 26658240

約数和(自身を除く): 8118819

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 7933, 23799, 150727, 325253, 452181, 975759, 6179807, 18539421]

約数ペア:

[(1, 18539421), (3, 6179807), (19, 975759), (41, 452181), (57, 325253), (123, 150727), (779, 23799), (2337, 7933)]