18195536

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:603

約数の個数: 40

約数和(自身を含む): 36828000

約数和(自身を除く): 18632464

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 499, 688, 848, 998, 1996, 2279, 3992, 4558, 7984, 9116, 18232, 21457, 26447, 36464, 42914, 52894, 85828, 105788, 171656, 211576, 343312, 423152, 1137221, 2274442, 4548884, 9097768, 18195536]

約数ペア:

[(1, 18195536), (2, 9097768), (4, 4548884), (8, 2274442), (16, 1137221), (43, 423152), (53, 343312), (86, 211576), (106, 171656), (172, 105788), (212, 85828), (344, 52894), (424, 42914), (499, 36464), (688, 26447), (848, 21457), (998, 18232), (1996, 9116), (2279, 7984), (3992, 4558)]