18700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:42

約数の個数: 36

約数和(自身を含む): 46872

約数和(自身を除く): 28172

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1100, 1700, 1870, 3740, 4675, 9350, 18700]

約数ペア:

[(1, 18700), (2, 9350), (4, 4675), (5, 3740), (10, 1870), (11, 1700), (17, 1100), (20, 935), (22, 850), (25, 748), (34, 550), (44, 425), (50, 374), (55, 340), (68, 275), (85, 220), (100, 187), (110, 170)]