19081640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12893}}^1$

素因数の和:12941

約数の個数: 32

約数和(自身を含む): 44097480

約数和(自身を除く): 25015840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12893, 25786, 51572, 64465, 103144, 128930, 257860, 477041, 515720, 954082, 1908164, 2385205, 3816328, 4770410, 9540820, 19081640]

約数ペア:

[(1, 19081640), (2, 9540820), (4, 4770410), (5, 3816328), (8, 2385205), (10, 1908164), (20, 954082), (37, 515720), (40, 477041), (74, 257860), (148, 128930), (185, 103144), (296, 64465), (370, 51572), (740, 25786), (1480, 12893)]