18737200

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 60

約数和(自身を含む): 45474520

約数和(自身を除く): 26737320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 337, 400, 556, 674, 695, 1112, 1348, 1390, 1685, 2224, 2696, 2780, 3370, 3475, 5392, 5560, 6740, 6950, 8425, 11120, 13480, 13900, 16850, 26960, 27800, 33700, 46843, 55600, 67400, 93686, 134800, 187372, 234215, 374744, 468430, 749488, 936860, 1171075, 1873720, 2342150, 3747440, 4684300, 9368600, 18737200]

約数ペア:

[(1, 18737200), (2, 9368600), (4, 4684300), (5, 3747440), (8, 2342150), (10, 1873720), (16, 1171075), (20, 936860), (25, 749488), (40, 468430), (50, 374744), (80, 234215), (100, 187372), (139, 134800), (200, 93686), (278, 67400), (337, 55600), (400, 46843), (556, 33700), (674, 27800), (695, 26960), (1112, 16850), (1348, 13900), (1390, 13480), (1685, 11120), (2224, 8425), (2696, 6950), (2780, 6740), (3370, 5560), (3475, 5392)]