19915344

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 60933600

約数和(自身を除く): 41018256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 36, 38, 48, 57, 58, 72, 76, 87, 114, 116, 144, 152, 171, 174, 228, 232, 251, 261, 304, 342, 348, 456, 464, 502, 522, 551, 684, 696, 753, 912, 1004, 1044, 1102, 1368, 1392, 1506, 1653, 2008, 2088, 2204, 2259, 2736, 3012, 3306, 4016, 4176, 4408, 4518, 4769, 4959, 6024, 6612, 7279, 8816, 9036, 9538, 9918, 12048, 13224, 14307, 14558, 18072, 19076, 19836, 21837, 26448, 28614, 29116, 36144, 38152, 39672, 42921, 43674, 57228, 58232, 65511, 76304, 79344, 85842, 87348, 114456, 116464, 131022, 138301, 171684, 174696, 228912, 262044, 276602, 343368, 349392, 414903, 524088, 553204, 686736, 829806, 1048176, 1106408, 1244709, 1659612, 2212816, 2489418, 3319224, 4978836, 6638448, 9957672, 19915344]

約数ペア:

[(1, 19915344), (2, 9957672), (3, 6638448), (4, 4978836), (6, 3319224), (8, 2489418), (9, 2212816), (12, 1659612), (16, 1244709), (18, 1106408), (19, 1048176), (24, 829806), (29, 686736), (36, 553204), (38, 524088), (48, 414903), (57, 349392), (58, 343368), (72, 276602), (76, 262044), (87, 228912), (114, 174696), (116, 171684), (144, 138301), (152, 131022), (171, 116464), (174, 114456), (228, 87348), (232, 85842), (251, 79344), (261, 76304), (304, 65511), (342, 58232), (348, 57228), (456, 43674), (464, 42921), (502, 39672), (522, 38152), (551, 36144), (684, 29116), (696, 28614), (753, 26448), (912, 21837), (1004, 19836), (1044, 19076), (1102, 18072), (1368, 14558), (1392, 14307), (1506, 13224), (1653, 12048), (2008, 9918), (2088, 9538), (2204, 9036), (2259, 8816), (2736, 7279), (3012, 6612), (3306, 6024), (4016, 4959), (4176, 4769), (4408, 4518)]