19888589

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1844

約数の個数: 16

約数和(自身を含む): 24329088

約数和(自身を除く): 4440499

約数列:

[1, 7, 17, 97, 119, 679, 1649, 1723, 11543, 12061, 29291, 167131, 205037, 1169917, 2841227, 19888589]

約数ペア:

[(1, 19888589), (7, 2841227), (17, 1169917), (97, 205037), (119, 167131), (679, 29291), (1649, 12061), (1723, 11543)]