19830740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23059}}^1$

素因数の和:23111

約数の個数: 24

約数和(自身を含む): 42614880

約数和(自身を除く): 22784140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23059, 46118, 92236, 115295, 230590, 461180, 991537, 1983074, 3966148, 4957685, 9915370, 19830740]

約数ペア:

[(1, 19830740), (2, 9915370), (4, 4957685), (5, 3966148), (10, 1983074), (20, 991537), (43, 461180), (86, 230590), (172, 115295), (215, 92236), (430, 46118), (860, 23059)]