19115127

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 28773888

約数和(自身を除く): 9658761

約数列:

[1, 3, 9, 31, 93, 131, 279, 393, 523, 1179, 1569, 4061, 4707, 12183, 16213, 36549, 48639, 68513, 145917, 205539, 616617, 2123903, 6371709, 19115127]

約数ペア:

[(1, 19115127), (3, 6371709), (9, 2123903), (31, 616617), (93, 205539), (131, 145917), (279, 68513), (393, 48639), (523, 36549), (1179, 16213), (1569, 12183), (4061, 4707)]