18035780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 44222976

約数和(自身を除く): 26187196

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, 2741, 3290, 5482, 6580, 10964, 13705, 19187, 27410, 38374, 54820, 76748, 95935, 128827, 191870, 257654, 383740, 515308, 644135, 901789, 1288270, 1803578, 2576540, 3607156, 4508945, 9017890, 18035780]

約数ペア:

[(1, 18035780), (2, 9017890), (4, 4508945), (5, 3607156), (7, 2576540), (10, 1803578), (14, 1288270), (20, 901789), (28, 644135), (35, 515308), (47, 383740), (70, 257654), (94, 191870), (140, 128827), (188, 95935), (235, 76748), (329, 54820), (470, 38374), (658, 27410), (940, 19187), (1316, 13705), (1645, 10964), (2741, 6580), (3290, 5482)]