19902056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 19168024

約数列:

[1, 2, 4, 8, 41, 47, 82, 94, 164, 188, 328, 376, 1291, 1927, 2582, 3854, 5164, 7708, 10328, 15416, 52931, 60677, 105862, 121354, 211724, 242708, 423448, 485416, 2487757, 4975514, 9951028, 19902056]

約数ペア:

[(1, 19902056), (2, 9951028), (4, 4975514), (8, 2487757), (41, 485416), (47, 423448), (82, 242708), (94, 211724), (164, 121354), (188, 105862), (328, 60677), (376, 52931), (1291, 15416), (1927, 10328), (2582, 7708), (3854, 5164)]