18281008

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{11779}}^1$

素因数の和:11884

約数の個数: 20

約数和(自身を含む): 35787640

約数和(自身を除く): 17506632

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 11779, 23558, 47116, 94232, 188464, 1142563, 2285126, 4570252, 9140504, 18281008]

約数ペア:

[(1, 18281008), (2, 9140504), (4, 4570252), (8, 2285126), (16, 1142563), (97, 188464), (194, 94232), (388, 47116), (776, 23558), (1552, 11779)]