19585540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75329}}^1$

素因数の和:75351

約数の個数: 24

約数和(自身を含む): 44294040

約数和(自身を除く): 24708500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75329, 150658, 301316, 376645, 753290, 979277, 1506580, 1958554, 3917108, 4896385, 9792770, 19585540]

約数ペア:

[(1, 19585540), (2, 9792770), (4, 4896385), (5, 3917108), (10, 1958554), (13, 1506580), (20, 979277), (26, 753290), (52, 376645), (65, 301316), (130, 150658), (260, 75329)]