19161215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 24455520

約数和(自身を除く): 5294305

約数列:

[1, 5, 19, 95, 101, 505, 1919, 1997, 9595, 9985, 37943, 189715, 201697, 1008485, 3832243, 19161215]

約数ペア:

[(1, 19161215), (5, 3832243), (19, 1008485), (95, 201697), (101, 189715), (505, 37943), (1919, 9985), (1997, 9595)]