19219291

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1663}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 23855104

約数和(自身を除く): 4635813

約数列:

[1, 7, 13, 91, 127, 889, 1651, 1663, 11557, 11641, 21619, 151333, 211201, 1478407, 2745613, 19219291]

約数ペア:

[(1, 19219291), (7, 2745613), (13, 1478407), (91, 211201), (127, 151333), (889, 21619), (1651, 11641), (1663, 11557)]