19439019

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 29484000

約数和(自身を除く): 10044981

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 1049, 2059, 3147, 6177, 9441, 18531, 30421, 74479, 91263, 223437, 273789, 670311, 2159891, 6479673, 19439019]

約数ペア:

[(1, 19439019), (3, 6479673), (9, 2159891), (29, 670311), (71, 273789), (87, 223437), (213, 91263), (261, 74479), (639, 30421), (1049, 18531), (2059, 9441), (3147, 6177)]