19493404

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 40372416

約数和(自身を除く): 20879012

約数列:

[1, 2, 4, 7, 14, 28, 61, 101, 113, 122, 202, 226, 244, 404, 427, 452, 707, 791, 854, 1414, 1582, 1708, 2828, 3164, 6161, 6893, 11413, 12322, 13786, 22826, 24644, 27572, 43127, 45652, 48251, 79891, 86254, 96502, 159782, 172508, 193004, 319564, 696193, 1392386, 2784772, 4873351, 9746702, 19493404]

約数ペア:

[(1, 19493404), (2, 9746702), (4, 4873351), (7, 2784772), (14, 1392386), (28, 696193), (61, 319564), (101, 193004), (113, 172508), (122, 159782), (202, 96502), (226, 86254), (244, 79891), (404, 48251), (427, 45652), (452, 43127), (707, 27572), (791, 24644), (854, 22826), (1414, 13786), (1582, 12322), (1708, 11413), (2828, 6893), (3164, 6161)]