19888954

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2467}}^1$

素因数の和:2637

約数の個数: 16

約数和(自身を含む): 31096800

約数和(自身を除く): 11207846

約数列:

[1, 2, 29, 58, 139, 278, 2467, 4031, 4934, 8062, 71543, 143086, 342913, 685826, 9944477, 19888954]

約数ペア:

[(1, 19888954), (2, 9944477), (29, 685826), (58, 342913), (139, 143086), (278, 71543), (2467, 8062), (4031, 4934)]