19503380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75013}}^1$

素因数の和:75035

約数の個数: 24

約数和(自身を含む): 44108232

約数和(自身を除く): 24604852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75013, 150026, 300052, 375065, 750130, 975169, 1500260, 1950338, 3900676, 4875845, 9751690, 19503380]

約数ペア:

[(1, 19503380), (2, 9751690), (4, 4875845), (5, 3900676), (10, 1950338), (13, 1500260), (20, 975169), (26, 750130), (52, 375065), (65, 300052), (130, 150026), (260, 75013)]