18938305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 23659200

約数和(自身を除く): 4720895

約数列:

[1, 5, 29, 145, 211, 619, 1055, 3095, 6119, 17951, 30595, 89755, 130609, 653045, 3787661, 18938305]

約数ペア:

[(1, 18938305), (5, 3787661), (29, 653045), (145, 130609), (211, 89755), (619, 30595), (1055, 17951), (3095, 6119)]