19114640

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{709}}^1$

素因数の和:1059

約数の個数: 40

約数和(自身を含む): 44636280

約数和(自身を除く): 25521640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 709, 1348, 1418, 1685, 2696, 2836, 3370, 3545, 5392, 5672, 6740, 7090, 11344, 13480, 14180, 26960, 28360, 56720, 238933, 477866, 955732, 1194665, 1911464, 2389330, 3822928, 4778660, 9557320, 19114640]

約数ペア:

[(1, 19114640), (2, 9557320), (4, 4778660), (5, 3822928), (8, 2389330), (10, 1911464), (16, 1194665), (20, 955732), (40, 477866), (80, 238933), (337, 56720), (674, 28360), (709, 26960), (1348, 14180), (1418, 13480), (1685, 11344), (2696, 7090), (2836, 6740), (3370, 5672), (3545, 5392)]