9990884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2797}}^1$

素因数の和:2867

約数の個数: 24

約数和(自身を含む): 18802560

約数和(自身を除く): 8811676

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 2797, 3572, 5594, 11188, 53143, 106286, 131459, 212572, 262918, 525836, 2497721, 4995442, 9990884]

約数ペア:

[(1, 9990884), (2, 4995442), (4, 2497721), (19, 525836), (38, 262918), (47, 212572), (76, 131459), (94, 106286), (188, 53143), (893, 11188), (1786, 5594), (2797, 3572)]