19752850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30389}}^1$

素因数の和:30414

約数の個数: 24

約数和(自身を含む): 39567780

約数和(自身を除く): 19814930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30389, 60778, 151945, 303890, 395057, 759725, 790114, 1519450, 1975285, 3950570, 9876425, 19752850]

約数ペア:

[(1, 19752850), (2, 9876425), (5, 3950570), (10, 1975285), (13, 1519450), (25, 790114), (26, 759725), (50, 395057), (65, 303890), (130, 151945), (325, 60778), (650, 30389)]