18899243

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 22410240

約数和(自身を除く): 3510997

約数列:

[1, 11, 19, 31, 209, 341, 589, 2917, 6479, 32087, 55423, 90427, 609653, 994697, 1718113, 18899243]

約数ペア:

[(1, 18899243), (11, 1718113), (19, 994697), (31, 609653), (209, 90427), (341, 55423), (589, 32087), (2917, 6479)]