17806180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 43021440

約数和(自身を除く): 25215260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 659, 772, 965, 1318, 1351, 1930, 2636, 2702, 3295, 3860, 4613, 5404, 6590, 6755, 9226, 13180, 13510, 18452, 23065, 27020, 46130, 92260, 127187, 254374, 508748, 635935, 890309, 1271870, 1780618, 2543740, 3561236, 4451545, 8903090, 17806180]

約数ペア:

[(1, 17806180), (2, 8903090), (4, 4451545), (5, 3561236), (7, 2543740), (10, 1780618), (14, 1271870), (20, 890309), (28, 635935), (35, 508748), (70, 254374), (140, 127187), (193, 92260), (386, 46130), (659, 27020), (772, 23065), (965, 18452), (1318, 13510), (1351, 13180), (1930, 9226), (2636, 6755), (2702, 6590), (3295, 5404), (3860, 4613)]