19667320

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1459}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 44413200

約数和(自身を除く): 24745880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1459, 1685, 2696, 2918, 3370, 5836, 6740, 7295, 11672, 13480, 14590, 29180, 58360, 491683, 983366, 1966732, 2458415, 3933464, 4916830, 9833660, 19667320]

約数ペア:

[(1, 19667320), (2, 9833660), (4, 4916830), (5, 3933464), (8, 2458415), (10, 1966732), (20, 983366), (40, 491683), (337, 58360), (674, 29180), (1348, 14590), (1459, 13480), (1685, 11672), (2696, 7295), (2918, 6740), (3370, 5836)]