30721328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9187}}^1$

素因数の和:9225

約数の個数: 40

約数和(自身を含む): 68358720

約数和(自身を除く): 37637392

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 9187, 18374, 36748, 73496, 101057, 146992, 174553, 202114, 349106, 404228, 698212, 808456, 1396424, 1616912, 1920083, 2792848, 3840166, 7680332, 15360664, 30721328]

約数ペア:

[(1, 30721328), (2, 15360664), (4, 7680332), (8, 3840166), (11, 2792848), (16, 1920083), (19, 1616912), (22, 1396424), (38, 808456), (44, 698212), (76, 404228), (88, 349106), (152, 202114), (176, 174553), (209, 146992), (304, 101057), (418, 73496), (836, 36748), (1672, 18374), (3344, 9187)]