18897274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13036166

約数列:

[1, 2, 11, 22, 79, 83, 131, 158, 166, 262, 869, 913, 1441, 1738, 1826, 2882, 6557, 10349, 10873, 13114, 20698, 21746, 72127, 113839, 119603, 144254, 227678, 239206, 858967, 1717934, 9448637, 18897274]

約数ペア:

[(1, 18897274), (2, 9448637), (11, 1717934), (22, 858967), (79, 239206), (83, 227678), (131, 144254), (158, 119603), (166, 113839), (262, 72127), (869, 21746), (913, 20698), (1441, 13114), (1738, 10873), (1826, 10349), (2882, 6557)]