18812637

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 27822080

約数和(自身を除く): 9009443

約数列:

[1, 3, 9, 109, 127, 151, 327, 381, 453, 981, 1143, 1359, 13843, 16459, 19177, 41529, 49377, 57531, 124587, 148131, 172593, 2090293, 6270879, 18812637]

約数ペア:

[(1, 18812637), (3, 6270879), (9, 2090293), (109, 172593), (127, 148131), (151, 124587), (327, 57531), (381, 49377), (453, 41529), (981, 19177), (1143, 16459), (1359, 13843)]