19998928

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{3709}}^1$

素因数の和:4054

約数の個数: 20

約数和(自身を含む): 38873380

約数和(自身を除く): 18874452

約数列:

[1, 2, 4, 8, 16, 337, 674, 1348, 2696, 3709, 5392, 7418, 14836, 29672, 59344, 1249933, 2499866, 4999732, 9999464, 19998928]

約数ペア:

[(1, 19998928), (2, 9999464), (4, 4999732), (8, 2499866), (16, 1249933), (337, 59344), (674, 29672), (1348, 14836), (2696, 7418), (3709, 5392)]