18884691

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 32222720

約数和(自身を除く): 13338029

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 613, 1141, 1467, 1839, 3423, 4291, 4401, 5517, 10269, 12873, 16551, 30807, 38619, 99919, 115857, 299757, 699433, 899271, 2098299, 2697813, 6294897, 18884691]

約数ペア:

[(1, 18884691), (3, 6294897), (7, 2697813), (9, 2098299), (21, 899271), (27, 699433), (63, 299757), (163, 115857), (189, 99919), (489, 38619), (613, 30807), (1141, 16551), (1467, 12873), (1839, 10269), (3423, 5517), (4291, 4401)]