8718910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 16711200

約数和(自身を除く): 7992290

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 421, 545, 842, 1090, 2071, 2105, 4142, 4210, 7999, 10355, 15998, 20710, 39995, 45889, 79990, 91778, 229445, 458890, 871891, 1743782, 4359455, 8718910]

約数ペア:

[(1, 8718910), (2, 4359455), (5, 1743782), (10, 871891), (19, 458890), (38, 229445), (95, 91778), (109, 79990), (190, 45889), (218, 39995), (421, 20710), (545, 15998), (842, 10355), (1090, 7999), (2071, 4210), (2105, 4142)]