19389846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{907}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 44455680

約数和(自身を除く): 25065834

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509, 907, 1018, 1527, 1814, 2721, 3054, 3563, 5442, 6349, 7126, 10689, 12698, 19047, 21378, 38094, 461663, 923326, 1384989, 2769978, 3231641, 6463282, 9694923, 19389846]

約数ペア:

[(1, 19389846), (2, 9694923), (3, 6463282), (6, 3231641), (7, 2769978), (14, 1384989), (21, 923326), (42, 461663), (509, 38094), (907, 21378), (1018, 19047), (1527, 12698), (1814, 10689), (2721, 7126), (3054, 6349), (3563, 5442)]