18739779

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8761}}^1$

素因数の和:8818

約数の個数: 16

約数和(自身を含む): 26916864

約数和(自身を除く): 8177085

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 8761, 26283, 201503, 271591, 604509, 814773, 6246593, 18739779]

約数ペア:

[(1, 18739779), (3, 6246593), (23, 814773), (31, 604509), (69, 271591), (93, 201503), (713, 26283), (2139, 8761)]