19723213

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 22121856

約数和(自身を除く): 2398643

約数列:

[1, 17, 23, 73, 391, 691, 1241, 1679, 11747, 15893, 28543, 50443, 270181, 857531, 1160189, 19723213]

約数ペア:

[(1, 19723213), (17, 1160189), (23, 857531), (73, 270181), (391, 50443), (691, 28543), (1241, 15893), (1679, 11747)]