18991211734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{4831}}^1$

素因数の和:5341

約数の個数: 64

約数和(自身を含む): 34417446912

約数和(自身を除く): 15426235178

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 457, 506, 782, 914, 4301, 4831, 5027, 7769, 8602, 9662, 10054, 10511, 15538, 21022, 53141, 82127, 85459, 106282, 111113, 115621, 164254, 170918, 178687, 222226, 231242, 357374, 903397, 1222243, 1806794, 1888921, 1965557, 2207767, 2444486, 3777842, 3931114, 4415534, 20778131, 24285437, 37532039, 41556262, 48570874, 50778641, 75064078, 101557282, 412852429, 558565051, 825704858, 863236897, 1117130102, 1726473794, 9495605867, 18991211734]

約数ペア:

[(1, 18991211734), (2, 9495605867), (11, 1726473794), (17, 1117130102), (22, 863236897), (23, 825704858), (34, 558565051), (46, 412852429), (187, 101557282), (253, 75064078), (374, 50778641), (391, 48570874), (457, 41556262), (506, 37532039), (782, 24285437), (914, 20778131), (4301, 4415534), (4831, 3931114), (5027, 3777842), (7769, 2444486), (8602, 2207767), (9662, 1965557), (10054, 1888921), (10511, 1806794), (15538, 1222243), (21022, 903397), (53141, 357374), (82127, 231242), (85459, 222226), (106282, 178687), (111113, 170918), (115621, 164254)]