18744011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 4964149

約数列:

[1, 11, 13, 23, 41, 139, 143, 253, 299, 451, 533, 943, 1529, 1807, 3197, 3289, 5699, 5863, 10373, 12259, 19877, 35167, 41561, 62689, 74087, 131077, 134849, 457171, 814957, 1441847, 1704001, 18744011]

約数ペア:

[(1, 18744011), (11, 1704001), (13, 1441847), (23, 814957), (41, 457171), (139, 134849), (143, 131077), (253, 74087), (299, 62689), (451, 41561), (533, 35167), (943, 19877), (1529, 12259), (1807, 10373), (3197, 5863), (3289, 5699)]