19620772

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 35301560

約数和(自身を除く): 15680788

約数列:

[1, 2, 4, 61, 97, 122, 194, 244, 388, 829, 1658, 3316, 5917, 11834, 23668, 50569, 80413, 101138, 160826, 202276, 321652, 4905193, 9810386, 19620772]

約数ペア:

[(1, 19620772), (2, 9810386), (4, 4905193), (61, 321652), (97, 202276), (122, 160826), (194, 101138), (244, 80413), (388, 50569), (829, 23668), (1658, 11834), (3316, 5917)]