18895385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{863}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 4743655

約数列:

[1, 5, 29, 145, 151, 755, 863, 4315, 4379, 21895, 25027, 125135, 130313, 651565, 3779077, 18895385]

約数ペア:

[(1, 18895385), (5, 3779077), (29, 651565), (145, 130313), (151, 125135), (755, 25027), (863, 21895), (4315, 4379)]