19797071

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 23443200

約数和(自身を除く): 3646129

約数列:

[1, 7, 43, 89, 301, 623, 739, 3827, 5173, 26789, 31777, 65771, 222439, 460397, 2828153, 19797071]

約数ペア:

[(1, 19797071), (7, 2828153), (43, 460397), (89, 222439), (301, 65771), (623, 31777), (739, 26789), (3827, 5173)]