19951327

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 23442048

約数和(自身を除く): 3490721

約数列:

[1, 11, 23, 67, 107, 121, 253, 737, 1177, 1541, 2461, 2783, 7169, 8107, 12947, 16951, 27071, 78859, 164887, 186461, 297781, 867449, 1813757, 19951327]

約数ペア:

[(1, 19951327), (11, 1813757), (23, 867449), (67, 297781), (107, 186461), (121, 164887), (253, 78859), (737, 27071), (1177, 16951), (1541, 12947), (2461, 8107), (2783, 7169)]