19832868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 57368220

約数和(自身を除く): 37535352

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 121, 132, 157, 174, 198, 242, 261, 314, 319, 348, 363, 396, 471, 484, 522, 628, 638, 726, 942, 957, 1044, 1089, 1276, 1413, 1452, 1727, 1884, 1914, 2178, 2826, 2871, 3454, 3509, 3828, 4356, 4553, 5181, 5652, 5742, 6908, 7018, 9106, 10362, 10527, 11484, 13659, 14036, 15543, 18212, 18997, 20724, 21054, 27318, 31086, 31581, 37994, 40977, 42108, 50083, 54636, 56991, 62172, 63162, 75988, 81954, 100166, 113982, 126324, 150249, 163908, 170973, 200332, 227964, 300498, 341946, 450747, 550913, 600996, 683892, 901494, 1101826, 1652739, 1802988, 2203652, 3305478, 4958217, 6610956, 9916434, 19832868]

約数ペア:

[(1, 19832868), (2, 9916434), (3, 6610956), (4, 4958217), (6, 3305478), (9, 2203652), (11, 1802988), (12, 1652739), (18, 1101826), (22, 901494), (29, 683892), (33, 600996), (36, 550913), (44, 450747), (58, 341946), (66, 300498), (87, 227964), (99, 200332), (116, 170973), (121, 163908), (132, 150249), (157, 126324), (174, 113982), (198, 100166), (242, 81954), (261, 75988), (314, 63162), (319, 62172), (348, 56991), (363, 54636), (396, 50083), (471, 42108), (484, 40977), (522, 37994), (628, 31581), (638, 31086), (726, 27318), (942, 21054), (957, 20724), (1044, 18997), (1089, 18212), (1276, 15543), (1413, 14036), (1452, 13659), (1727, 11484), (1884, 10527), (1914, 10362), (2178, 9106), (2826, 7018), (2871, 6908), (3454, 5742), (3509, 5652), (3828, 5181), (4356, 4553)]