19158065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{877}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 24464592

約数和(自身を除く): 5306527

約数列:

[1, 5, 17, 85, 257, 877, 1285, 4369, 4385, 14909, 21845, 74545, 225389, 1126945, 3831613, 19158065]

約数ペア:

[(1, 19158065), (5, 3831613), (17, 1126945), (85, 225389), (257, 74545), (877, 21845), (1285, 14909), (4369, 4385)]