18423580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7741}}^1$

素因数の和:7774

約数の個数: 48

約数和(自身を含む): 46823616

約数和(自身を除く): 28400036

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7741, 15482, 30964, 38705, 54187, 77410, 108374, 131597, 154820, 216748, 263194, 270935, 526388, 541870, 657985, 921179, 1083740, 1315970, 1842358, 2631940, 3684716, 4605895, 9211790, 18423580]

約数ペア:

[(1, 18423580), (2, 9211790), (4, 4605895), (5, 3684716), (7, 2631940), (10, 1842358), (14, 1315970), (17, 1083740), (20, 921179), (28, 657985), (34, 541870), (35, 526388), (68, 270935), (70, 263194), (85, 216748), (119, 154820), (140, 131597), (170, 108374), (238, 77410), (340, 54187), (476, 38705), (595, 30964), (1190, 15482), (2380, 7741)]