19505720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37511}}^1$

素因数の和:37535

約数の個数: 32

約数和(自身を含む): 47265120

約数和(自身を除く): 27759400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37511, 75022, 150044, 187555, 300088, 375110, 487643, 750220, 975286, 1500440, 1950572, 2438215, 3901144, 4876430, 9752860, 19505720]

約数ペア:

[(1, 19505720), (2, 9752860), (4, 4876430), (5, 3901144), (8, 2438215), (10, 1950572), (13, 1500440), (20, 975286), (26, 750220), (40, 487643), (52, 375110), (65, 300088), (104, 187555), (130, 150044), (260, 75022), (520, 37511)]