19317879

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2436

約数の個数: 32

約数和(自身を含む): 33482240

約数和(自身を除く): 14164361

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2377, 2709, 7131, 8127, 16639, 21393, 49917, 64179, 102211, 149751, 306633, 449253, 715477, 919899, 2146431, 2759697, 6439293, 19317879]

約数ペア:

[(1, 19317879), (3, 6439293), (7, 2759697), (9, 2146431), (21, 919899), (27, 715477), (43, 449253), (63, 306633), (129, 149751), (189, 102211), (301, 64179), (387, 49917), (903, 21393), (1161, 16639), (2377, 8127), (2709, 7131)]