18667460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2837}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 45771264

約数和(自身を除く): 27103804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2837, 3290, 5674, 6580, 11348, 14185, 19859, 28370, 39718, 56740, 79436, 99295, 133339, 198590, 266678, 397180, 533356, 666695, 933373, 1333390, 1866746, 2666780, 3733492, 4666865, 9333730, 18667460]

約数ペア:

[(1, 18667460), (2, 9333730), (4, 4666865), (5, 3733492), (7, 2666780), (10, 1866746), (14, 1333390), (20, 933373), (28, 666695), (35, 533356), (47, 397180), (70, 266678), (94, 198590), (140, 133339), (188, 99295), (235, 79436), (329, 56740), (470, 39718), (658, 28370), (940, 19859), (1316, 14185), (1645, 11348), (2837, 6580), (3290, 5674)]