19147412

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 34450920

約数和(自身を除く): 15303508

約数列:

[1, 2, 4, 61, 97, 122, 194, 244, 388, 809, 1618, 3236, 5917, 11834, 23668, 49349, 78473, 98698, 156946, 197396, 313892, 4786853, 9573706, 19147412]

約数ペア:

[(1, 19147412), (2, 9573706), (4, 4786853), (61, 313892), (97, 197396), (122, 156946), (194, 98698), (244, 78473), (388, 49349), (809, 23668), (1618, 11834), (3236, 5917)]