19198448

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17909}}^1$

素因数の和:17984

約数の個数: 20

約数和(自身を含む): 37754280

約数和(自身を除く): 18555832

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17909, 35818, 71636, 143272, 286544, 1199903, 2399806, 4799612, 9599224, 19198448]

約数ペア:

[(1, 19198448), (2, 9599224), (4, 4799612), (8, 2399806), (16, 1199903), (67, 286544), (134, 143272), (268, 71636), (536, 35818), (1072, 17909)]