18711224

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4987}}^1$

素因数の和:5067

約数の個数: 32

約数和(自身を含む): 40702080

約数和(自身を除く): 21990856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 4987, 9974, 19948, 34909, 39896, 69818, 139636, 279272, 334129, 668258, 1336516, 2338903, 2673032, 4677806, 9355612, 18711224]

約数ペア:

[(1, 18711224), (2, 9355612), (4, 4677806), (7, 2673032), (8, 2338903), (14, 1336516), (28, 668258), (56, 334129), (67, 279272), (134, 139636), (268, 69818), (469, 39896), (536, 34909), (938, 19948), (1876, 9974), (3752, 4987)]