18864057

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 25882560

約数和(自身を除く): 7018503

約数列:

[1, 3, 43, 129, 257, 569, 771, 1707, 11051, 24467, 33153, 73401, 146233, 438699, 6288019, 18864057]

約数ペア:

[(1, 18864057), (3, 6288019), (43, 438699), (129, 146233), (257, 73401), (569, 33153), (771, 24467), (1707, 11051)]