1919173888

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1723}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 4052434400

約数和(自身を除く): 2133260512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 229, 256, 304, 458, 608, 916, 1216, 1723, 1832, 2432, 3446, 3664, 4351, 4864, 6892, 7328, 8702, 13784, 14656, 17404, 27568, 29312, 32737, 34808, 55136, 58624, 65474, 69616, 110272, 130948, 139232, 220544, 261896, 278464, 394567, 441088, 523792, 556928, 789134, 1047584, 1113856, 1578268, 2095168, 3156536, 4190336, 6313072, 7496773, 8380672, 12626144, 14993546, 25252288, 29987092, 50504576, 59974184, 101009152, 119948368, 239896736, 479793472, 959586944, 1919173888]

約数ペア:

[(1, 1919173888), (2, 959586944), (4, 479793472), (8, 239896736), (16, 119948368), (19, 101009152), (32, 59974184), (38, 50504576), (64, 29987092), (76, 25252288), (128, 14993546), (152, 12626144), (229, 8380672), (256, 7496773), (304, 6313072), (458, 4190336), (608, 3156536), (916, 2095168), (1216, 1578268), (1723, 1113856), (1832, 1047584), (2432, 789134), (3446, 556928), (3664, 523792), (4351, 441088), (4864, 394567), (6892, 278464), (7328, 261896), (8702, 220544), (13784, 139232), (14656, 130948), (17404, 110272), (27568, 69616), (29312, 65474), (32737, 58624), (34808, 55136)]