18745830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23143}}^1$

素因数の和:23162

約数の個数: 40

約数和(自身を含む): 50407632

約数和(自身を除く): 31661802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23143, 46286, 69429, 115715, 138858, 208287, 231430, 347145, 416574, 624861, 694290, 1041435, 1249722, 1874583, 2082870, 3124305, 3749166, 6248610, 9372915, 18745830]

約数ペア:

[(1, 18745830), (2, 9372915), (3, 6248610), (5, 3749166), (6, 3124305), (9, 2082870), (10, 1874583), (15, 1249722), (18, 1041435), (27, 694290), (30, 624861), (45, 416574), (54, 347145), (81, 231430), (90, 208287), (135, 138858), (162, 115715), (270, 69429), (405, 46286), (810, 23143)]