18807658

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 28752840

約数和(自身を除く): 9945182

約数列:

[1, 2, 89, 157, 178, 314, 673, 1346, 13973, 27946, 59897, 105661, 119794, 211322, 9403829, 18807658]

約数ペア:

[(1, 18807658), (2, 9403829), (89, 211322), (157, 119794), (178, 105661), (314, 59897), (673, 27946), (1346, 13973)]