19658350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20693}}^1$

素因数の和:20724

約数の個数: 24

約数和(自身を含む): 38490840

約数和(自身を除く): 18832490

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20693, 41386, 103465, 206930, 393167, 517325, 786334, 1034650, 1965835, 3931670, 9829175, 19658350]

約数ペア:

[(1, 19658350), (2, 9829175), (5, 3931670), (10, 1965835), (19, 1034650), (25, 786334), (38, 517325), (50, 393167), (95, 206930), (190, 103465), (475, 41386), (950, 20693)]