18173884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3989}}^1$

素因数の和:4077

約数の個数: 24

約数和(自身を含む): 34186320

約数和(自身を除く): 16012436

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 3989, 4556, 7978, 15956, 67813, 135626, 267263, 271252, 534526, 1069052, 4543471, 9086942, 18173884]

約数ペア:

[(1, 18173884), (2, 9086942), (4, 4543471), (17, 1069052), (34, 534526), (67, 271252), (68, 267263), (134, 135626), (268, 67813), (1139, 15956), (2278, 7978), (3989, 4556)]