19229511

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 30000240

約数和(自身を除く): 10770729

約数列:

[1, 3, 7, 21, 49, 147, 257, 509, 771, 1527, 1799, 3563, 5397, 10689, 12593, 24941, 37779, 74823, 130813, 392439, 915691, 2747073, 6409837, 19229511]

約数ペア:

[(1, 19229511), (3, 6409837), (7, 2747073), (21, 915691), (49, 392439), (147, 130813), (257, 74823), (509, 37779), (771, 24941), (1527, 12593), (1799, 10689), (3563, 5397)]