19569940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75269}}^1$

素因数の和:75291

約数の個数: 24

約数和(自身を含む): 44258760

約数和(自身を除く): 24688820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75269, 150538, 301076, 376345, 752690, 978497, 1505380, 1956994, 3913988, 4892485, 9784970, 19569940]

約数ペア:

[(1, 19569940), (2, 9784970), (4, 4892485), (5, 3913988), (10, 1956994), (13, 1505380), (20, 978497), (26, 752690), (52, 376345), (65, 301076), (130, 150538), (260, 75269)]