19721004

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38219}}^1$

素因数の和:38269

約数の個数: 24

約数和(自身を含む): 47087040

約数和(自身を除く): 27366036

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38219, 76438, 114657, 152876, 229314, 458628, 1643417, 3286834, 4930251, 6573668, 9860502, 19721004]

約数ペア:

[(1, 19721004), (2, 9860502), (3, 6573668), (4, 4930251), (6, 3286834), (12, 1643417), (43, 458628), (86, 229314), (129, 152876), (172, 114657), (258, 76438), (516, 38219)]