19984677

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9343}}^1$

素因数の和:9400

約数の個数: 16

約数和(自身を含む): 28704768

約数和(自身を除く): 8720091

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9343, 28029, 214889, 289633, 644667, 868899, 6661559, 19984677]

約数ペア:

[(1, 19984677), (3, 6661559), (23, 868899), (31, 644667), (69, 289633), (93, 214889), (713, 28029), (2139, 9343)]