19903048

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 42493500

約数和(自身を除く): 22590452

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 709, 968, 1276, 1418, 2552, 2836, 3509, 5672, 7018, 7799, 14036, 15598, 20561, 28072, 31196, 41122, 62392, 82244, 85789, 164488, 171578, 226171, 343156, 452342, 686312, 904684, 1809368, 2487881, 4975762, 9951524, 19903048]

約数ペア:

[(1, 19903048), (2, 9951524), (4, 4975762), (8, 2487881), (11, 1809368), (22, 904684), (29, 686312), (44, 452342), (58, 343156), (88, 226171), (116, 171578), (121, 164488), (232, 85789), (242, 82244), (319, 62392), (484, 41122), (638, 31196), (709, 28072), (968, 20561), (1276, 15598), (1418, 14036), (2552, 7799), (2836, 7018), (3509, 5672)]