18926541

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 28776384

約数和(自身を除く): 9849843

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1097, 1917, 3291, 5751, 9873, 17253, 29619, 77887, 88857, 233661, 266571, 700983, 2102949, 6308847, 18926541]

約数ペア:

[(1, 18926541), (3, 6308847), (9, 2102949), (27, 700983), (71, 266571), (81, 233661), (213, 88857), (243, 77887), (639, 29619), (1097, 17253), (1917, 9873), (3291, 5751)]