18391389

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 6611043

約数列:

[1, 3, 83, 233, 249, 317, 699, 951, 19339, 26311, 58017, 73861, 78933, 221583, 6130463, 18391389]

約数ペア:

[(1, 18391389), (3, 6130463), (83, 221583), (233, 78933), (249, 73861), (317, 58017), (699, 26311), (951, 19339)]