19550180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75193}}^1$

素因数の和:75215

約数の個数: 24

約数和(自身を含む): 44214072

約数和(自身を除く): 24663892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75193, 150386, 300772, 375965, 751930, 977509, 1503860, 1955018, 3910036, 4887545, 9775090, 19550180]

約数ペア:

[(1, 19550180), (2, 9775090), (4, 4887545), (5, 3910036), (10, 1955018), (13, 1503860), (20, 977509), (26, 751930), (52, 375965), (65, 300772), (130, 150386), (260, 75193)]