19719763

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2311}}^1$

素因数の和:2394

約数の個数: 16

約数和(自身を含む): 23970816

約数和(自身を除く): 4251053

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2311, 8533, 16177, 53153, 122483, 372071, 857381, 2817109, 19719763]

約数ペア:

[(1, 19719763), (7, 2817109), (23, 857381), (53, 372071), (161, 122483), (371, 53153), (1219, 16177), (2311, 8533)]