9919780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38153}}^1$

素因数の和:38175

約数の個数: 24

約数和(自身を含む): 22434552

約数和(自身を除く): 12514772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 38153, 76306, 152612, 190765, 381530, 495989, 763060, 991978, 1983956, 2479945, 4959890, 9919780]

約数ペア:

[(1, 9919780), (2, 4959890), (4, 2479945), (5, 1983956), (10, 991978), (13, 763060), (20, 495989), (26, 381530), (52, 190765), (65, 152612), (130, 76306), (260, 38153)]