18980066

素因数分解:

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

素因数の和:350

約数の個数: 24

約数和(自身を含む): 33202560

約数和(自身を除く): 14222494

約数列:

[1, 2, 7, 14, 79, 131, 158, 262, 553, 917, 1106, 1834, 10349, 17161, 20698, 34322, 72443, 120127, 144886, 240254, 1355719, 2711438, 9490033, 18980066]

約数ペア:

[(1, 18980066), (2, 9490033), (7, 2711438), (14, 1355719), (79, 240254), (131, 144886), (158, 120127), (262, 72443), (553, 34322), (917, 20698), (1106, 17161), (1834, 10349)]