19838824

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 38507040

約数和(自身を除く): 18668216

約数列:

[1, 2, 4, 8, 43, 86, 101, 172, 202, 344, 404, 571, 808, 1142, 2284, 4343, 4568, 8686, 17372, 24553, 34744, 49106, 57671, 98212, 115342, 196424, 230684, 461368, 2479853, 4959706, 9919412, 19838824]

約数ペア:

[(1, 19838824), (2, 9919412), (4, 4959706), (8, 2479853), (43, 461368), (86, 230684), (101, 196424), (172, 115342), (202, 98212), (344, 57671), (404, 49106), (571, 34744), (808, 24553), (1142, 17372), (2284, 8686), (4343, 4568)]