19762221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9239}}^1$

素因数の和:9296

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 8623059

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9239, 27717, 212497, 286409, 637491, 859227, 6587407, 19762221]

約数ペア:

[(1, 19762221), (3, 6587407), (23, 859227), (31, 637491), (69, 286409), (93, 212497), (713, 27717), (2139, 9239)]