19290615

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 31825920

約数和(自身を除く): 12535305

約数列:

[1, 3, 5, 15, 73, 79, 219, 223, 237, 365, 395, 669, 1095, 1115, 1185, 3345, 5767, 16279, 17301, 17617, 28835, 48837, 52851, 81395, 86505, 88085, 244185, 264255, 1286041, 3858123, 6430205, 19290615]

約数ペア:

[(1, 19290615), (3, 6430205), (5, 3858123), (15, 1286041), (73, 264255), (79, 244185), (219, 88085), (223, 86505), (237, 81395), (365, 52851), (395, 48837), (669, 28835), (1095, 17617), (1115, 17301), (1185, 16279), (3345, 5767)]