18940888

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{40129}}^1$

素因数の和:40194

約数の個数: 16

約数和(自身を含む): 36117000

約数和(自身を除く): 17176112

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 40129, 80258, 160516, 321032, 2367611, 4735222, 9470444, 18940888]

約数ペア:

[(1, 18940888), (2, 9470444), (4, 4735222), (8, 2367611), (59, 321032), (118, 160516), (236, 80258), (472, 40129)]