18997660900

素因数分解:

$2^2\times 5^2\times {\mathrm{1693}}^1\times {\mathrm{112213}}^1$

素因数の和:113920

約数の個数: 36

約数和(自身を含む): 41249641972

約数和(自身を除く): 22251981072

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1693, 3386, 6772, 8465, 16930, 33860, 42325, 84650, 112213, 169300, 224426, 448852, 561065, 1122130, 2244260, 2805325, 5610650, 11221300, 189976609, 379953218, 759906436, 949883045, 1899766090, 3799532180, 4749415225, 9498830450, 18997660900]

約数ペア:

[(1, 18997660900), (2, 9498830450), (4, 4749415225), (5, 3799532180), (10, 1899766090), (20, 949883045), (25, 759906436), (50, 379953218), (100, 189976609), (1693, 11221300), (3386, 5610650), (6772, 2805325), (8465, 2244260), (16930, 1122130), (33860, 561065), (42325, 448852), (84650, 224426), (112213, 169300)]