18781741

素因数分解:

${\mathrm{11}}^3\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 16

約数和(自身を含む): 21011328

約数和(自身を除く): 2229587

約数列:

[1, 11, 103, 121, 137, 1133, 1331, 1507, 12463, 14111, 16577, 137093, 155221, 182347, 1707431, 18781741]

約数ペア:

[(1, 18781741), (11, 1707431), (103, 182347), (121, 155221), (137, 137093), (1133, 16577), (1331, 14111), (1507, 12463)]