18665163

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9923}}^1$

素因数の和:9959

約数の個数: 24

約数和(自身を含む): 30962880

約数和(自身を除く): 12297717

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 9923, 29769, 89307, 109153, 188537, 327459, 565611, 982377, 1696833, 2073907, 6221721, 18665163]

約数ペア:

[(1, 18665163), (3, 6221721), (9, 2073907), (11, 1696833), (19, 982377), (33, 565611), (57, 327459), (99, 188537), (171, 109153), (209, 89307), (627, 29769), (1881, 9923)]