19827262

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18093698

約数列:

[1, 2, 7, 13, 14, 26, 49, 79, 91, 98, 158, 182, 197, 394, 553, 637, 1027, 1106, 1274, 1379, 2054, 2561, 2758, 3871, 5122, 7189, 7742, 9653, 14378, 15563, 17927, 19306, 31126, 35854, 50323, 100646, 108941, 125489, 202319, 217882, 250978, 404638, 762587, 1416233, 1525174, 2832466, 9913631, 19827262]

約数ペア:

[(1, 19827262), (2, 9913631), (7, 2832466), (13, 1525174), (14, 1416233), (26, 762587), (49, 404638), (79, 250978), (91, 217882), (98, 202319), (158, 125489), (182, 108941), (197, 100646), (394, 50323), (553, 35854), (637, 31126), (1027, 19306), (1106, 17927), (1274, 15563), (1379, 14378), (2054, 9653), (2561, 7742), (2758, 7189), (3871, 5122)]