17731988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1987}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 32730432

約数和(自身を除く): 14998444

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 1987, 2231, 3974, 4462, 7948, 8924, 45701, 91402, 182804, 192739, 385478, 770956, 4432997, 8865994, 17731988]

約数ペア:

[(1, 17731988), (2, 8865994), (4, 4432997), (23, 770956), (46, 385478), (92, 192739), (97, 182804), (194, 91402), (388, 45701), (1987, 8924), (2231, 7948), (3974, 4462)]