19153939

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1447}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 22982656

約数和(自身を除く): 3828717

約数列:

[1, 7, 31, 61, 217, 427, 1447, 1891, 10129, 13237, 44857, 88267, 313999, 617869, 2736277, 19153939]

約数ペア:

[(1, 19153939), (7, 2736277), (31, 617869), (61, 313999), (217, 88267), (427, 44857), (1447, 13237), (1891, 10129)]