18003728

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4483}}^1$

素因数の和:4742

約数の個数: 20

約数和(自身を含む): 35029008

約数和(自身を除く): 17025280

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4483, 8966, 17932, 35864, 71728, 1125233, 2250466, 4500932, 9001864, 18003728]

約数ペア:

[(1, 18003728), (2, 9001864), (4, 4500932), (8, 2250466), (16, 1125233), (251, 71728), (502, 35864), (1004, 17932), (2008, 8966), (4016, 4483)]