19303431

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21377}}^1$

素因数の和:21430

約数の個数: 16

約数和(自身を含む): 30100224

約数和(自身を除く): 10796793

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21377, 64131, 149639, 448917, 919211, 2757633, 6434477, 19303431]

約数ペア:

[(1, 19303431), (3, 6434477), (7, 2757633), (21, 919211), (43, 448917), (129, 149639), (301, 64131), (903, 21377)]