18901227

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1217}}^1$

素因数の和:1418

約数の個数: 16

約数和(自身を含む): 26191872

約数和(自身を除く): 7290645

約数列:

[1, 3, 31, 93, 167, 501, 1217, 3651, 5177, 15531, 37727, 113181, 203239, 609717, 6300409, 18901227]

約数ペア:

[(1, 18901227), (3, 6300409), (31, 609717), (93, 203239), (167, 113181), (501, 37727), (1217, 15531), (3651, 5177)]