19031110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38839}}^1$

素因数の和:38860

約数の個数: 24

約数和(自身を含む): 39849840

約数和(自身を除く): 20818730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38839, 77678, 194195, 271873, 388390, 543746, 1359365, 1903111, 2718730, 3806222, 9515555, 19031110]

約数ペア:

[(1, 19031110), (2, 9515555), (5, 3806222), (7, 2718730), (10, 1903111), (14, 1359365), (35, 543746), (49, 388390), (70, 271873), (98, 194195), (245, 77678), (490, 38839)]