18784876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3259}}^1$

素因数の和:3405

約数の個数: 24

約数和(自身を含む): 36146880

約数和(自身を除く): 17362004

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3259, 5764, 6518, 13036, 35849, 71698, 143396, 426929, 853858, 1707716, 4696219, 9392438, 18784876]

約数ペア:

[(1, 18784876), (2, 9392438), (4, 4696219), (11, 1707716), (22, 853858), (44, 426929), (131, 143396), (262, 71698), (524, 35849), (1441, 13036), (2882, 6518), (3259, 5764)]