18551198

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2083}}^1$

素因数の和:2219

約数の個数: 16

約数和(自身を含む): 28684176

約数和(自身を除く): 10132978

約数列:

[1, 2, 61, 73, 122, 146, 2083, 4166, 4453, 8906, 127063, 152059, 254126, 304118, 9275599, 18551198]

約数ペア:

[(1, 18551198), (2, 9275599), (61, 304118), (73, 254126), (122, 152059), (146, 127063), (2083, 8906), (4166, 4453)]