9981004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11939}}^1$

素因数の和:11973

約数の個数: 24

約数和(自身を含む): 20059200

約数和(自身を除く): 10078196

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 11939, 23878, 47756, 131329, 226841, 262658, 453682, 525316, 907364, 2495251, 4990502, 9981004]

約数ペア:

[(1, 9981004), (2, 4990502), (4, 2495251), (11, 907364), (19, 525316), (22, 453682), (38, 262658), (44, 226841), (76, 131329), (209, 47756), (418, 23878), (836, 11939)]