18280855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 4759145

約数列:

[1, 5, 31, 59, 155, 295, 1829, 1999, 9145, 9995, 61969, 117941, 309845, 589705, 3656171, 18280855]

約数ペア:

[(1, 18280855), (5, 3656171), (31, 589705), (59, 309845), (155, 117941), (295, 61969), (1829, 9995), (1999, 9145)]