19900572

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38567}}^1$

素因数の和:38617

約数の個数: 24

約数和(自身を含む): 47515776

約数和(自身を除く): 27615204

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38567, 77134, 115701, 154268, 231402, 462804, 1658381, 3316762, 4975143, 6633524, 9950286, 19900572]

約数ペア:

[(1, 19900572), (2, 9950286), (3, 6633524), (4, 4975143), (6, 3316762), (12, 1658381), (43, 462804), (86, 231402), (129, 154268), (172, 115701), (258, 77134), (516, 38567)]