18900355

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 4485245

約数列:

[1, 5, 59, 79, 295, 395, 811, 4055, 4661, 23305, 47849, 64069, 239245, 320345, 3780071, 18900355]

約数ペア:

[(1, 18900355), (5, 3780071), (59, 320345), (79, 239245), (295, 64069), (395, 47849), (811, 23305), (4055, 4661)]