19421495

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 24040800

約数和(自身を除く): 4619305

約数列:

[1, 5, 41, 205, 211, 449, 1055, 2245, 8651, 18409, 43255, 92045, 94739, 473695, 3884299, 19421495]

約数ペア:

[(1, 19421495), (5, 3884299), (41, 473695), (205, 94739), (211, 92045), (449, 43255), (1055, 18409), (2245, 8651)]