18846737

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:3008

約数の個数: 16

約数和(自身を含む): 23530752

約数和(自身を除く): 4684015

約数列:

[1, 7, 13, 71, 91, 497, 923, 2917, 6461, 20419, 37921, 207107, 265447, 1449749, 2692391, 18846737]

約数ペア:

[(1, 18846737), (7, 2692391), (13, 1449749), (71, 265447), (91, 207107), (497, 37921), (923, 20419), (2917, 6461)]