20348021918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1077413}}^1$

素因数の和:1077512

約数の個数: 32

約数和(自身を含む): 37235427840

約数和(自身を除く): 16887405922

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 18886, 1077413, 2154826, 7541891, 15083782, 20470847, 40941694, 76496323, 143295929, 152992646, 286591858, 535474261, 1070948522, 1453430137, 2906860274, 10174010959, 20348021918]

約数ペア:

[(1, 20348021918), (2, 10174010959), (7, 2906860274), (14, 1453430137), (19, 1070948522), (38, 535474261), (71, 286591858), (133, 152992646), (142, 143295929), (266, 76496323), (497, 40941694), (994, 20470847), (1349, 15083782), (2698, 7541891), (9443, 2154826), (18886, 1077413)]