18448639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 21415680

約数和(自身を除く): 2967041

約数列:

[1, 11, 19, 103, 209, 857, 1133, 1957, 9427, 16283, 21527, 88271, 179113, 970981, 1677149, 18448639]

約数ペア:

[(1, 18448639), (11, 1677149), (19, 970981), (103, 179113), (209, 88271), (857, 21527), (1133, 16283), (1957, 9427)]