19313220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3187}}^1$

素因数の和:3300

約数の個数: 48

約数和(自身を含む): 54629568

約数和(自身を除く): 35316348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3187, 6060, 6374, 9561, 12748, 15935, 19122, 31870, 38244, 47805, 63740, 95610, 191220, 321887, 643774, 965661, 1287548, 1609435, 1931322, 3218870, 3862644, 4828305, 6437740, 9656610, 19313220]

約数ペア:

[(1, 19313220), (2, 9656610), (3, 6437740), (4, 4828305), (5, 3862644), (6, 3218870), (10, 1931322), (12, 1609435), (15, 1287548), (20, 965661), (30, 643774), (60, 321887), (101, 191220), (202, 95610), (303, 63740), (404, 47805), (505, 38244), (606, 31870), (1010, 19122), (1212, 15935), (1515, 12748), (2020, 9561), (3030, 6374), (3187, 6060)]