19902411

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1013}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 30054960

約数和(自身を除く): 10152549

約数列:

[1, 3, 9, 37, 59, 111, 177, 333, 531, 1013, 2183, 3039, 6549, 9117, 19647, 37481, 59767, 112443, 179301, 337329, 537903, 2211379, 6634137, 19902411]

約数ペア:

[(1, 19902411), (3, 6634137), (9, 2211379), (37, 537903), (59, 337329), (111, 179301), (177, 112443), (333, 59767), (531, 37481), (1013, 19647), (2183, 9117), (3039, 6549)]