19562140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75239}}^1$

素因数の和:75261

約数の個数: 24

約数和(自身を含む): 44241120

約数和(自身を除く): 24678980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75239, 150478, 300956, 376195, 752390, 978107, 1504780, 1956214, 3912428, 4890535, 9781070, 19562140]

約数ペア:

[(1, 19562140), (2, 9781070), (4, 4890535), (5, 3912428), (10, 1956214), (13, 1504780), (20, 978107), (26, 752390), (52, 376195), (65, 300956), (130, 150478), (260, 75239)]