19879084

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 36540000

約数和(自身を除く): 16660916

約数列:

[1, 2, 4, 23, 46, 92, 173, 346, 692, 1249, 2498, 3979, 4996, 7958, 15916, 28727, 57454, 114908, 216077, 432154, 864308, 4969771, 9939542, 19879084]

約数ペア:

[(1, 19879084), (2, 9939542), (4, 4969771), (23, 864308), (46, 432154), (92, 216077), (173, 114908), (346, 57454), (692, 28727), (1249, 15916), (2498, 7958), (3979, 4996)]