19266544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109469}}^1$

素因数の和:109488

約数の個数: 20

約数和(自身を含む): 40722840

約数和(自身を除く): 21456296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109469, 218938, 437876, 875752, 1204159, 1751504, 2408318, 4816636, 9633272, 19266544]

約数ペア:

[(1, 19266544), (2, 9633272), (4, 4816636), (8, 2408318), (11, 1751504), (16, 1204159), (22, 875752), (44, 437876), (88, 218938), (176, 109469)]