201990026

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18521}}^1$

素因数の和:18590

約数の個数: 32

約数和(自身を含む): 373403520

約数和(自身を除く): 171413494

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 18521, 37042, 129647, 259294, 351899, 703798, 759361, 1518722, 2463293, 4926586, 5315527, 10631054, 14427859, 28855718, 100995013, 201990026]

約数ペア:

[(1, 201990026), (2, 100995013), (7, 28855718), (14, 14427859), (19, 10631054), (38, 5315527), (41, 4926586), (82, 2463293), (133, 1518722), (266, 759361), (287, 703798), (574, 351899), (779, 259294), (1558, 129647), (5453, 37042), (10906, 18521)]