19508996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 40325040

約数和(自身を除く): 20816044

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 442, 493, 754, 761, 884, 986, 1508, 1522, 1972, 3044, 6409, 9893, 12818, 12937, 19786, 22069, 25636, 25874, 39572, 44138, 51748, 88276, 168181, 286897, 336362, 375173, 573794, 672724, 750346, 1147588, 1500692, 4877249, 9754498, 19508996]

約数ペア:

[(1, 19508996), (2, 9754498), (4, 4877249), (13, 1500692), (17, 1147588), (26, 750346), (29, 672724), (34, 573794), (52, 375173), (58, 336362), (68, 286897), (116, 168181), (221, 88276), (377, 51748), (442, 44138), (493, 39572), (754, 25874), (761, 25636), (884, 22069), (986, 19786), (1508, 12937), (1522, 12818), (1972, 9893), (3044, 6409)]