19727345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1429}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 6218575

約数列:

[1, 5, 11, 55, 251, 1255, 1429, 2761, 7145, 13805, 15719, 78595, 358679, 1793395, 3945469, 19727345]

約数ペア:

[(1, 19727345), (5, 3945469), (11, 1793395), (55, 358679), (251, 78595), (1255, 15719), (1429, 13805), (2761, 7145)]