19986274

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{557}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 37604736

約数和(自身を除く): 17618462

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 233, 466, 557, 1114, 1631, 2563, 3262, 3899, 5126, 6127, 7798, 12254, 17941, 35882, 42889, 85778, 129781, 259562, 908467, 1427591, 1816934, 2855182, 9993137, 19986274]

約数ペア:

[(1, 19986274), (2, 9993137), (7, 2855182), (11, 1816934), (14, 1427591), (22, 908467), (77, 259562), (154, 129781), (233, 85778), (466, 42889), (557, 35882), (1114, 17941), (1631, 12254), (2563, 7798), (3262, 6127), (3899, 5126)]