19995355

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3798

約数の個数: 16

約数和(自身を含む): 25499520

約数和(自身を除く): 5504165

約数列:

[1, 5, 29, 37, 145, 185, 1073, 3727, 5365, 18635, 108083, 137899, 540415, 689495, 3999071, 19995355]

約数ペア:

[(1, 19995355), (5, 3999071), (29, 689495), (37, 540415), (145, 137899), (185, 108083), (1073, 18635), (3727, 5365)]