18019764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3109}}^1$

素因数の和:3149

約数の個数: 72

約数和(自身を含む): 54337920

約数和(自身を除く): 36318156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3109, 5796, 6218, 9327, 12436, 18654, 21763, 27981, 37308, 43526, 55962, 65289, 71507, 87052, 111924, 130578, 143014, 195867, 214521, 261156, 286028, 391734, 429042, 500549, 643563, 783468, 858084, 1001098, 1287126, 1501647, 2002196, 2574252, 3003294, 4504941, 6006588, 9009882, 18019764]

約数ペア:

[(1, 18019764), (2, 9009882), (3, 6006588), (4, 4504941), (6, 3003294), (7, 2574252), (9, 2002196), (12, 1501647), (14, 1287126), (18, 1001098), (21, 858084), (23, 783468), (28, 643563), (36, 500549), (42, 429042), (46, 391734), (63, 286028), (69, 261156), (84, 214521), (92, 195867), (126, 143014), (138, 130578), (161, 111924), (207, 87052), (252, 71507), (276, 65289), (322, 55962), (414, 43526), (483, 37308), (644, 27981), (828, 21763), (966, 18654), (1449, 12436), (1932, 9327), (2898, 6218), (3109, 5796)]