19311540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{877}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 54281472

約数和(自身を除く): 34969932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 877, 1101, 1468, 1754, 1835, 2202, 2631, 3508, 3670, 4385, 4404, 5262, 5505, 7340, 8770, 10524, 11010, 13155, 17540, 22020, 26310, 52620, 321859, 643718, 965577, 1287436, 1609295, 1931154, 3218590, 3862308, 4827885, 6437180, 9655770, 19311540]

約数ペア:

[(1, 19311540), (2, 9655770), (3, 6437180), (4, 4827885), (5, 3862308), (6, 3218590), (10, 1931154), (12, 1609295), (15, 1287436), (20, 965577), (30, 643718), (60, 321859), (367, 52620), (734, 26310), (877, 22020), (1101, 17540), (1468, 13155), (1754, 11010), (1835, 10524), (2202, 8770), (2631, 7340), (3508, 5505), (3670, 5262), (4385, 4404)]