19008920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2341}}^1$

素因数の和:2388

約数の個数: 64

約数和(自身を含む): 50587200

約数和(自身を除く): 31578280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2341, 4060, 4682, 8120, 9364, 11705, 16387, 18728, 23410, 32774, 46820, 65548, 67889, 81935, 93640, 131096, 135778, 163870, 271556, 327740, 339445, 475223, 543112, 655480, 678890, 950446, 1357780, 1900892, 2376115, 2715560, 3801784, 4752230, 9504460, 19008920]

約数ペア:

[(1, 19008920), (2, 9504460), (4, 4752230), (5, 3801784), (7, 2715560), (8, 2376115), (10, 1900892), (14, 1357780), (20, 950446), (28, 678890), (29, 655480), (35, 543112), (40, 475223), (56, 339445), (58, 327740), (70, 271556), (116, 163870), (140, 135778), (145, 131096), (203, 93640), (232, 81935), (280, 67889), (290, 65548), (406, 46820), (580, 32774), (812, 23410), (1015, 18728), (1160, 16387), (1624, 11705), (2030, 9364), (2341, 8120), (4060, 4682)]