19102239

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 31497960

約数和(自身を除く): 12395721

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 661, 741, 1521, 1983, 2223, 3211, 5949, 8593, 9633, 12559, 25779, 28899, 37677, 77337, 111709, 113031, 163267, 335127, 489801, 1005381, 1469403, 2122471, 6367413, 19102239]

約数ペア:

[(1, 19102239), (3, 6367413), (9, 2122471), (13, 1469403), (19, 1005381), (39, 489801), (57, 335127), (117, 163267), (169, 113031), (171, 111709), (247, 77337), (507, 37677), (661, 28899), (741, 25779), (1521, 12559), (1983, 9633), (2223, 8593), (3211, 5949)]