19409013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8731}}^1$

素因数の和:8769

約数の個数: 24

約数和(自身を含む): 31784480

約数和(自身を除く): 12375467

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8731, 26193, 78579, 113503, 165889, 340509, 497667, 1021527, 1493001, 2156557, 6469671, 19409013]

約数ペア:

[(1, 19409013), (3, 6469671), (9, 2156557), (13, 1493001), (19, 1021527), (39, 497667), (57, 340509), (117, 165889), (171, 113503), (247, 78579), (741, 26193), (2223, 8731)]