18004008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 32177112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 88, 94, 132, 141, 188, 264, 282, 376, 517, 564, 1034, 1128, 1451, 1551, 2068, 2902, 3102, 4136, 4353, 5804, 6204, 8706, 11608, 12408, 15961, 17412, 31922, 34824, 47883, 63844, 68197, 95766, 127688, 136394, 191532, 204591, 272788, 383064, 409182, 545576, 750167, 818364, 1500334, 1636728, 2250501, 3000668, 4501002, 6001336, 9002004, 18004008]

約数ペア:

[(1, 18004008), (2, 9002004), (3, 6001336), (4, 4501002), (6, 3000668), (8, 2250501), (11, 1636728), (12, 1500334), (22, 818364), (24, 750167), (33, 545576), (44, 409182), (47, 383064), (66, 272788), (88, 204591), (94, 191532), (132, 136394), (141, 127688), (188, 95766), (264, 68197), (282, 63844), (376, 47883), (517, 34824), (564, 31922), (1034, 17412), (1128, 15961), (1451, 12408), (1551, 11608), (2068, 8706), (2902, 6204), (3102, 5804), (4136, 4353)]