19476890

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4519}}^1$

素因数の和:4957

約数の個数: 16

約数和(自身を含む): 35147520

約数和(自身を除く): 15670630

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 4519, 9038, 22595, 45190, 1947689, 3895378, 9738445, 19476890]

約数ペア:

[(1, 19476890), (2, 9738445), (5, 3895378), (10, 1947689), (431, 45190), (862, 22595), (2155, 9038), (4310, 4519)]