19482970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2053}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 38302992

約数和(自身を除く): 18820022

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2053, 4106, 4745, 9490, 10265, 20530, 26689, 53378, 133445, 149869, 266890, 299738, 749345, 1498690, 1948297, 3896594, 9741485, 19482970]

約数ペア:

[(1, 19482970), (2, 9741485), (5, 3896594), (10, 1948297), (13, 1498690), (26, 749345), (65, 299738), (73, 266890), (130, 149869), (146, 133445), (365, 53378), (730, 26689), (949, 20530), (1898, 10265), (2053, 9490), (4106, 4745)]