18387718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6553}}^1$

素因数の和:6639

約数の個数: 16

約数和(自身を含む): 29257056

約数和(自身を除く): 10869338

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 6553, 13106, 150719, 301438, 399733, 799466, 9193859, 18387718]

約数ペア:

[(1, 18387718), (2, 9193859), (23, 799466), (46, 399733), (61, 301438), (122, 150719), (1403, 13106), (2806, 6553)]