19280272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109547}}^1$

素因数の和:109566

約数の個数: 20

約数和(自身を含む): 40751856

約数和(自身を除く): 21471584

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109547, 219094, 438188, 876376, 1205017, 1752752, 2410034, 4820068, 9640136, 19280272]

約数ペア:

[(1, 19280272), (2, 9640136), (4, 4820068), (8, 2410034), (11, 1752752), (16, 1205017), (22, 876376), (44, 438188), (88, 219094), (176, 109547)]