18386095390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1991993}}^1$

素因数の和:1992084

約数の個数: 32

約数和(自身を含む): 36142739136

約数和(自身を除く): 17756643746

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 1991993, 3983986, 9959965, 19919930, 25895909, 51791818, 129479545, 141431503, 258959090, 282863006, 707157515, 1414315030, 1838609539, 3677219078, 9193047695, 18386095390]

約数ペア:

[(1, 18386095390), (2, 9193047695), (5, 3677219078), (10, 1838609539), (13, 1414315030), (26, 707157515), (65, 282863006), (71, 258959090), (130, 141431503), (142, 129479545), (355, 51791818), (710, 25895909), (923, 19919930), (1846, 9959965), (4615, 3983986), (9230, 1991993)]