9991454

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 18098640

約数和(自身を除く): 8107186

約数列:

[1, 2, 11, 19, 22, 38, 41, 53, 82, 106, 121, 209, 242, 418, 451, 583, 779, 902, 1007, 1166, 1558, 2014, 2173, 2299, 4346, 4598, 4961, 6413, 8569, 9922, 11077, 12826, 17138, 22154, 23903, 41287, 47806, 82574, 94259, 121847, 188518, 243694, 262933, 454157, 525866, 908314, 4995727, 9991454]

約数ペア:

[(1, 9991454), (2, 4995727), (11, 908314), (19, 525866), (22, 454157), (38, 262933), (41, 243694), (53, 188518), (82, 121847), (106, 94259), (121, 82574), (209, 47806), (242, 41287), (418, 23903), (451, 22154), (583, 17138), (779, 12826), (902, 11077), (1007, 9922), (1166, 8569), (1558, 6413), (2014, 4961), (2173, 4598), (2299, 4346)]