19963450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30713}}^1$

素因数の和:30738

約数の個数: 24

約数和(自身を含む): 39989628

約数和(自身を除く): 20026178

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30713, 61426, 153565, 307130, 399269, 767825, 798538, 1535650, 1996345, 3992690, 9981725, 19963450]

約数ペア:

[(1, 19963450), (2, 9981725), (5, 3992690), (10, 1996345), (13, 1535650), (25, 798538), (26, 767825), (50, 399269), (65, 307130), (130, 153565), (325, 61426), (650, 30713)]