19575140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75289}}^1$

素因数の和:75311

約数の個数: 24

約数和(自身を含む): 44270520

約数和(自身を除く): 24695380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75289, 150578, 301156, 376445, 752890, 978757, 1505780, 1957514, 3915028, 4893785, 9787570, 19575140]

約数ペア:

[(1, 19575140), (2, 9787570), (4, 4893785), (5, 3915028), (10, 1957514), (13, 1505780), (20, 978757), (26, 752890), (52, 376445), (65, 301156), (130, 150578), (260, 75289)]