19884826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24671}}^1$

素因数の和:24717

約数の個数: 16

約数和(自身を含む): 33159168

約数和(自身を除く): 13274342

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 24671, 49342, 320723, 641446, 764801, 1529602, 9942413, 19884826]

約数ペア:

[(1, 19884826), (2, 9942413), (13, 1529602), (26, 764801), (31, 641446), (62, 320723), (403, 49342), (806, 24671)]