20181942650

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{9413}}^1$

素因数の和:9875

約数の個数: 48

約数和(自身を含む): 37937252664

約数和(自身を除く): 17755310014

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 313, 626, 685, 1370, 1565, 3130, 3425, 6850, 7825, 9413, 15650, 18826, 42881, 47065, 85762, 94130, 214405, 235325, 428810, 470650, 1072025, 1289581, 2144050, 2579162, 2946269, 5892538, 6447905, 12895810, 14731345, 29462690, 32239525, 64479050, 73656725, 147313450, 403638853, 807277706, 2018194265, 4036388530, 10090971325, 20181942650]

約数ペア:

[(1, 20181942650), (2, 10090971325), (5, 4036388530), (10, 2018194265), (25, 807277706), (50, 403638853), (137, 147313450), (274, 73656725), (313, 64479050), (626, 32239525), (685, 29462690), (1370, 14731345), (1565, 12895810), (3130, 6447905), (3425, 5892538), (6850, 2946269), (7825, 2579162), (9413, 2144050), (15650, 1289581), (18826, 1072025), (42881, 470650), (47065, 428810), (85762, 235325), (94130, 214405)]