18987266

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3557}}^1$

素因数の和:3733

約数の個数: 16

約数和(自身を含む): 30356856

約数和(自身を除く): 11369590

約数列:

[1, 2, 17, 34, 157, 314, 2669, 3557, 5338, 7114, 60469, 120938, 558449, 1116898, 9493633, 18987266]

約数ペア:

[(1, 18987266), (2, 9493633), (17, 1116898), (34, 558449), (157, 120938), (314, 60469), (2669, 7114), (3557, 5338)]