18790712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4511

約数の個数: 32

約数和(自身を含む): 38517120

約数和(自身を除く): 19726408

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4457, 8914, 17828, 35656, 75769, 138167, 151538, 276334, 303076, 552668, 606152, 1105336, 2348839, 4697678, 9395356, 18790712]

約数ペア:

[(1, 18790712), (2, 9395356), (4, 4697678), (8, 2348839), (17, 1105336), (31, 606152), (34, 552668), (62, 303076), (68, 276334), (124, 151538), (136, 138167), (248, 75769), (527, 35656), (1054, 17828), (2108, 8914), (4216, 4457)]