19201641

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 26182848

約数和(自身を除く): 6981207

約数列:

[1, 3, 61, 183, 317, 331, 951, 993, 19337, 20191, 58011, 60573, 104927, 314781, 6400547, 19201641]

約数ペア:

[(1, 19201641), (3, 6400547), (61, 314781), (183, 104927), (317, 60573), (331, 58011), (951, 20191), (993, 19337)]