18984772

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 34479872

約数和(自身を除く): 15495100

約数列:

[1, 2, 4, 31, 62, 124, 283, 541, 566, 1082, 1132, 2164, 8773, 16771, 17546, 33542, 35092, 67084, 153103, 306206, 612412, 4746193, 9492386, 18984772]

約数ペア:

[(1, 18984772), (2, 9492386), (4, 4746193), (31, 612412), (62, 306206), (124, 153103), (283, 67084), (541, 35092), (566, 33542), (1082, 17546), (1132, 16771), (2164, 8773)]