1811900995

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{126397}}^1$

素因数の和:126510

約数の個数: 16

約数和(自身を含む): 2256962688

約数和(自身を除く): 445061693

約数列:

[1, 5, 47, 61, 235, 305, 2867, 14335, 126397, 631985, 5940659, 7710217, 29703295, 38551085, 362380199, 1811900995]

約数ペア:

[(1, 1811900995), (5, 362380199), (47, 38551085), (61, 29703295), (235, 7710217), (305, 5940659), (2867, 631985), (14335, 126397)]