18780113

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1523}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 21945600

約数和(自身を除く): 3165487

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1523, 12331, 16753, 28937, 89857, 318307, 988427, 1707283, 18780113]

約数ペア:

[(1, 18780113), (11, 1707283), (19, 988427), (59, 318307), (209, 89857), (649, 28937), (1121, 16753), (1523, 12331)]