19749488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112213}}^1$

素因数の和:112232

約数の個数: 20

約数和(自身を含む): 41743608

約数和(自身を除く): 21994120

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112213, 224426, 448852, 897704, 1234343, 1795408, 2468686, 4937372, 9874744, 19749488]

約数ペア:

[(1, 19749488), (2, 9874744), (4, 4937372), (8, 2468686), (11, 1795408), (16, 1234343), (22, 897704), (44, 448852), (88, 224426), (176, 112213)]