19475885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27239}}^1$

素因数の和:27268

約数の個数: 16

約数和(自身を含む): 27457920

約数和(自身を除く): 7982035

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27239, 136195, 299629, 354107, 1498145, 1770535, 3895177, 19475885]

約数ペア:

[(1, 19475885), (5, 3895177), (11, 1770535), (13, 1498145), (55, 354107), (65, 299629), (143, 136195), (715, 27239)]