19610145

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18947}}^1$

素因数の和:18981

約数の個数: 24

約数和(自身を含む): 35470656

約数和(自身を除く): 15860511

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 18947, 56841, 94735, 170523, 284205, 435781, 852615, 1307343, 2178905, 3922029, 6536715, 19610145]

約数ペア:

[(1, 19610145), (3, 6536715), (5, 3922029), (9, 2178905), (15, 1307343), (23, 852615), (45, 435781), (69, 284205), (115, 170523), (207, 94735), (345, 56841), (1035, 18947)]