19487156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{374753}}^1$

素因数の和:374770

約数の個数: 12

約数和(自身を含む): 36725892

約数和(自身を除く): 17238736

約数列:

[1, 2, 4, 13, 26, 52, 374753, 749506, 1499012, 4871789, 9743578, 19487156]

約数ペア:

[(1, 19487156), (2, 9743578), (4, 4871789), (13, 1499012), (26, 749506), (52, 374753)]