18907355

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 23436000

約数和(自身を除く): 4528645

約数列:

[1, 5, 41, 149, 205, 619, 745, 3095, 6109, 25379, 30545, 92231, 126895, 461155, 3781471, 18907355]

約数ペア:

[(1, 18907355), (5, 3781471), (41, 461155), (149, 126895), (205, 92231), (619, 30545), (745, 25379), (3095, 6109)]