19768265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18917}}^1$

素因数の和:18952

約数の個数: 16

約数和(自身を含む): 27241920

約数和(自身を除く): 7473655

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18917, 94585, 208087, 359423, 1040435, 1797115, 3953653, 19768265]

約数ペア:

[(1, 19768265), (5, 3953653), (11, 1797115), (19, 1040435), (55, 359423), (95, 208087), (209, 94585), (1045, 18917)]