18998144

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 42007680

約数和(自身を除く): 23009536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 103, 128, 131, 176, 206, 262, 352, 412, 524, 704, 824, 1048, 1133, 1408, 1441, 1648, 2096, 2266, 2882, 3296, 4192, 4532, 5764, 6592, 8384, 9064, 11528, 13184, 13493, 16768, 18128, 23056, 26986, 36256, 46112, 53972, 72512, 92224, 107944, 145024, 148423, 184448, 215888, 296846, 431776, 593692, 863552, 1187384, 1727104, 2374768, 4749536, 9499072, 18998144]

約数ペア:

[(1, 18998144), (2, 9499072), (4, 4749536), (8, 2374768), (11, 1727104), (16, 1187384), (22, 863552), (32, 593692), (44, 431776), (64, 296846), (88, 215888), (103, 184448), (128, 148423), (131, 145024), (176, 107944), (206, 92224), (262, 72512), (352, 53972), (412, 46112), (524, 36256), (704, 26986), (824, 23056), (1048, 18128), (1133, 16768), (1408, 13493), (1441, 13184), (1648, 11528), (2096, 9064), (2266, 8384), (2882, 6592), (3296, 5764), (4192, 4532)]