18400522

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 14039798

約数列:

[1, 2, 7, 14, 79, 127, 131, 158, 254, 262, 553, 889, 917, 1106, 1778, 1834, 10033, 10349, 16637, 20066, 20698, 33274, 70231, 72443, 116459, 140462, 144886, 232918, 1314323, 2628646, 9200261, 18400522]

約数ペア:

[(1, 18400522), (2, 9200261), (7, 2628646), (14, 1314323), (79, 232918), (127, 144886), (131, 140462), (158, 116459), (254, 72443), (262, 70231), (553, 33274), (889, 20698), (917, 20066), (1106, 16637), (1778, 10349), (1834, 10033)]