19756996

素因数分解:

$2^2\times 7^2\times {\mathrm{100801}}^1$

素因数の和:100819

約数の個数: 18

約数和(自身を含む): 40219998

約数和(自身を除く): 20463002

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 100801, 201602, 403204, 705607, 1411214, 2822428, 4939249, 9878498, 19756996]

約数ペア:

[(1, 19756996), (2, 9878498), (4, 4939249), (7, 2822428), (14, 1411214), (28, 705607), (49, 403204), (98, 201602), (196, 100801)]