18841712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 39412656

約数和(自身を除く): 20570944

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1307, 1802, 2614, 3604, 5228, 7208, 10456, 14416, 20912, 22219, 44438, 69271, 88876, 138542, 177752, 277084, 355504, 554168, 1108336, 1177607, 2355214, 4710428, 9420856, 18841712]

約数ペア:

[(1, 18841712), (2, 9420856), (4, 4710428), (8, 2355214), (16, 1177607), (17, 1108336), (34, 554168), (53, 355504), (68, 277084), (106, 177752), (136, 138542), (212, 88876), (272, 69271), (424, 44438), (848, 22219), (901, 20912), (1307, 14416), (1802, 10456), (2614, 7208), (3604, 5228)]