18389481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{15061}}^1$

素因数の和:15112

約数の個数: 16

約数和(自身を含む): 27473088

約数和(自身を除く): 9083607

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 15061, 45183, 165671, 497013, 557257, 1671771, 6129827, 18389481]

約数ペア:

[(1, 18389481), (3, 6129827), (11, 1671771), (33, 557257), (37, 497013), (111, 165671), (407, 45183), (1221, 15061)]