19312620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2953}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 54589920

約数和(自身を除く): 35277300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2953, 3270, 5906, 6540, 8859, 11812, 14765, 17718, 29530, 35436, 44295, 59060, 88590, 177180, 321877, 643754, 965631, 1287508, 1609385, 1931262, 3218770, 3862524, 4828155, 6437540, 9656310, 19312620]

約数ペア:

[(1, 19312620), (2, 9656310), (3, 6437540), (4, 4828155), (5, 3862524), (6, 3218770), (10, 1931262), (12, 1609385), (15, 1287508), (20, 965631), (30, 643754), (60, 321877), (109, 177180), (218, 88590), (327, 59060), (436, 44295), (545, 35436), (654, 29530), (1090, 17718), (1308, 14765), (1635, 11812), (2180, 8859), (2953, 6540), (3270, 5906)]