19788585

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{45491}}^1$

素因数の和:45528

約数の個数: 16

約数和(自身を含む): 32754240

約数和(自身を除く): 12965655

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 45491, 136473, 227455, 682365, 1319239, 3957717, 6596195, 19788585]

約数ペア:

[(1, 19788585), (3, 6596195), (5, 3957717), (15, 1319239), (29, 682365), (87, 227455), (145, 136473), (435, 45491)]