18682352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89819}}^1$

素因数の和:89840

約数の個数: 20

約数和(自身を含む): 38981880

約数和(自身を除く): 20299528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89819, 179638, 359276, 718552, 1167647, 1437104, 2335294, 4670588, 9341176, 18682352]

約数ペア:

[(1, 18682352), (2, 9341176), (4, 4670588), (8, 2335294), (13, 1437104), (16, 1167647), (26, 718552), (52, 359276), (104, 179638), (208, 89819)]