19690060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75731}}^1$

素因数の和:75753

約数の個数: 24

約数和(自身を含む): 44530416

約数和(自身を除く): 24840356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75731, 151462, 302924, 378655, 757310, 984503, 1514620, 1969006, 3938012, 4922515, 9845030, 19690060]

約数ペア:

[(1, 19690060), (2, 9845030), (4, 4922515), (5, 3938012), (10, 1969006), (13, 1514620), (20, 984503), (26, 757310), (52, 378655), (65, 302924), (130, 151462), (260, 75731)]