18808215811

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{8263}}^1$

素因数の和:8432

約数の個数: 48

約数和(自身を含む): 24690451968

約数和(自身を除く): 5882236157

約数列:

[1, 7, 11, 41, 49, 77, 103, 287, 451, 539, 721, 1133, 2009, 3157, 4223, 5047, 7931, 8263, 22099, 29561, 46453, 55517, 57841, 90893, 206927, 325171, 338783, 404887, 636251, 851089, 2276197, 2371481, 3726613, 4453757, 5957623, 9361979, 16600367, 26086291, 34894649, 41703361, 65533853, 182604037, 244262543, 383841139, 458736971, 1709837801, 2686887973, 18808215811]

約数ペア:

[(1, 18808215811), (7, 2686887973), (11, 1709837801), (41, 458736971), (49, 383841139), (77, 244262543), (103, 182604037), (287, 65533853), (451, 41703361), (539, 34894649), (721, 26086291), (1133, 16600367), (2009, 9361979), (3157, 5957623), (4223, 4453757), (5047, 3726613), (7931, 2371481), (8263, 2276197), (22099, 851089), (29561, 636251), (46453, 404887), (55517, 338783), (57841, 325171), (90893, 206927)]