18804901577

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{109663}}^1$

素因数の和:109829

約数の個数: 32

約数和(自身を含む): 25013919744

約数和(自身を除く): 6209018167

約数列:

[1, 7, 11, 17, 77, 119, 131, 187, 917, 1309, 1441, 2227, 10087, 15589, 24497, 109663, 171479, 767641, 1206293, 1864271, 8444051, 13049897, 14365853, 20506981, 100560971, 143548867, 158024383, 244219501, 1106170681, 1709536507, 2686414511, 18804901577]

約数ペア:

[(1, 18804901577), (7, 2686414511), (11, 1709536507), (17, 1106170681), (77, 244219501), (119, 158024383), (131, 143548867), (187, 100560971), (917, 20506981), (1309, 14365853), (1441, 13049897), (2227, 8444051), (10087, 1864271), (15589, 1206293), (24497, 767641), (109663, 171479)]