18468901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 21321216

約数和(自身を除く): 2852315

約数列:

[1, 11, 31, 41, 341, 451, 1271, 1321, 13981, 14531, 40951, 54161, 450461, 595771, 1678991, 18468901]

約数ペア:

[(1, 18468901), (11, 1678991), (31, 595771), (41, 450461), (341, 54161), (451, 40951), (1271, 14531), (1321, 13981)]