19029521

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 22437888

約数和(自身を除く): 3408367

約数列:

[1, 7, 43, 191, 301, 331, 1337, 2317, 8213, 14233, 57491, 63221, 99631, 442547, 2718503, 19029521]

約数ペア:

[(1, 19029521), (7, 2718503), (43, 442547), (191, 99631), (301, 63221), (331, 57491), (1337, 14233), (2317, 8213)]