18356128

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 72

約数和(自身を含む): 43781472

約数和(自身を除く): 25425344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 227, 266, 304, 361, 454, 532, 608, 722, 908, 1064, 1444, 1589, 1816, 2128, 2527, 2888, 3178, 3632, 4256, 4313, 5054, 5776, 6356, 7264, 8626, 10108, 11552, 12712, 17252, 20216, 25424, 30191, 34504, 40432, 50848, 60382, 69008, 80864, 81947, 120764, 138016, 163894, 241528, 327788, 483056, 573629, 655576, 966112, 1147258, 1311152, 2294516, 2622304, 4589032, 9178064, 18356128]

約数ペア:

[(1, 18356128), (2, 9178064), (4, 4589032), (7, 2622304), (8, 2294516), (14, 1311152), (16, 1147258), (19, 966112), (28, 655576), (32, 573629), (38, 483056), (56, 327788), (76, 241528), (112, 163894), (133, 138016), (152, 120764), (224, 81947), (227, 80864), (266, 69008), (304, 60382), (361, 50848), (454, 40432), (532, 34504), (608, 30191), (722, 25424), (908, 20216), (1064, 17252), (1444, 12712), (1589, 11552), (1816, 10108), (2128, 8626), (2527, 7264), (2888, 6356), (3178, 5776), (3632, 5054), (4256, 4313)]