19207265

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7127}}^1$

素因数の和:7157

約数の個数: 24

約数和(自身を含む): 29253312

約数和(自身を除く): 10046047

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7127, 35635, 49889, 78397, 249445, 349223, 391985, 548779, 1746115, 2743895, 3841453, 19207265]

約数ペア:

[(1, 19207265), (5, 3841453), (7, 2743895), (11, 1746115), (35, 548779), (49, 391985), (55, 349223), (77, 249445), (245, 78397), (385, 49889), (539, 35635), (2695, 7127)]