18222976

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 20945024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 127, 128, 152, 236, 254, 304, 472, 508, 608, 944, 1016, 1121, 1216, 1888, 2032, 2242, 2413, 2432, 3776, 4064, 4484, 4826, 7493, 7552, 8128, 8968, 9652, 14986, 16256, 17936, 19304, 29972, 35872, 38608, 59944, 71744, 77216, 119888, 142367, 143488, 154432, 239776, 284734, 308864, 479552, 569468, 959104, 1138936, 2277872, 4555744, 9111488, 18222976]

約数ペア:

[(1, 18222976), (2, 9111488), (4, 4555744), (8, 2277872), (16, 1138936), (19, 959104), (32, 569468), (38, 479552), (59, 308864), (64, 284734), (76, 239776), (118, 154432), (127, 143488), (128, 142367), (152, 119888), (236, 77216), (254, 71744), (304, 59944), (472, 38608), (508, 35872), (608, 29972), (944, 19304), (1016, 17936), (1121, 16256), (1216, 14986), (1888, 9652), (2032, 8968), (2242, 8128), (2413, 7552), (2432, 7493), (3776, 4826), (4064, 4484)]