19229078

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 31951920

約数和(自身を除く): 12722842

約数列:

[1, 2, 11, 22, 121, 181, 242, 362, 439, 878, 1991, 3982, 4829, 9658, 21901, 43802, 53119, 79459, 106238, 158918, 874049, 1748098, 9614539, 19229078]

約数ペア:

[(1, 19229078), (2, 9614539), (11, 1748098), (22, 874049), (121, 158918), (181, 106238), (242, 79459), (362, 53119), (439, 43802), (878, 21901), (1991, 9658), (3982, 4829)]