19952121

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11447}}^1$

素因数の和:11540

約数の個数: 16

約数和(自身を含む): 30772224

約数和(自身を除く): 10820103

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11447, 34341, 80129, 240387, 950101, 2850303, 6650707, 19952121]

約数ペア:

[(1, 19952121), (3, 6650707), (7, 2850303), (21, 950101), (83, 240387), (249, 80129), (581, 34341), (1743, 11447)]