18804380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7901}}^1$

素因数の和:7934

約数の個数: 48

約数和(自身を含む): 47791296

約数和(自身を除く): 28986916

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, 7901, 15802, 31604, 39505, 55307, 79010, 110614, 134317, 158020, 221228, 268634, 276535, 537268, 553070, 671585, 940219, 1106140, 1343170, 1880438, 2686340, 3760876, 4701095, 9402190, 18804380]

約数ペア:

[(1, 18804380), (2, 9402190), (4, 4701095), (5, 3760876), (7, 2686340), (10, 1880438), (14, 1343170), (17, 1106140), (20, 940219), (28, 671585), (34, 553070), (35, 537268), (68, 276535), (70, 268634), (85, 221228), (119, 158020), (140, 134317), (170, 110614), (238, 79010), (340, 55307), (476, 39505), (595, 31604), (1190, 15802), (2380, 7901)]