19479100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4751}}^1$

素因数の和:4806

約数の個数: 36

約数和(自身を含む): 43309728

約数和(自身を除く): 23830628

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 4751, 9502, 19004, 23755, 47510, 95020, 118775, 194791, 237550, 389582, 475100, 779164, 973955, 1947910, 3895820, 4869775, 9739550, 19479100]

約数ペア:

[(1, 19479100), (2, 9739550), (4, 4869775), (5, 3895820), (10, 1947910), (20, 973955), (25, 779164), (41, 475100), (50, 389582), (82, 237550), (100, 194791), (164, 118775), (205, 95020), (410, 47510), (820, 23755), (1025, 19004), (2050, 9502), (4100, 4751)]