18821444

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 34188000

約数和(自身を除く): 15366556

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1499, 2998, 3139, 5996, 6278, 12556, 64457, 109427, 128914, 218854, 257828, 437708, 4705361, 9410722, 18821444]

約数ペア:

[(1, 18821444), (2, 9410722), (4, 4705361), (43, 437708), (73, 257828), (86, 218854), (146, 128914), (172, 109427), (292, 64457), (1499, 12556), (2998, 6278), (3139, 5996)]