19705908

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 47295360

約数和(自身を除く): 27589452

約数列:

[1, 2, 3, 4, 6, 12, 71, 101, 142, 202, 213, 229, 284, 303, 404, 426, 458, 606, 687, 852, 916, 1212, 1374, 2748, 7171, 14342, 16259, 21513, 23129, 28684, 32518, 43026, 46258, 48777, 65036, 69387, 86052, 92516, 97554, 138774, 195108, 277548, 1642159, 3284318, 4926477, 6568636, 9852954, 19705908]

約数ペア:

[(1, 19705908), (2, 9852954), (3, 6568636), (4, 4926477), (6, 3284318), (12, 1642159), (71, 277548), (101, 195108), (142, 138774), (202, 97554), (213, 92516), (229, 86052), (284, 69387), (303, 65036), (404, 48777), (426, 46258), (458, 43026), (606, 32518), (687, 28684), (852, 23129), (916, 21513), (1212, 16259), (1374, 14342), (2748, 7171)]