18173608

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 16824152

約数列:

[1, 2, 4, 8, 61, 122, 167, 223, 244, 334, 446, 488, 668, 892, 1336, 1784, 10187, 13603, 20374, 27206, 37241, 40748, 54412, 74482, 81496, 108824, 148964, 297928, 2271701, 4543402, 9086804, 18173608]

約数ペア:

[(1, 18173608), (2, 9086804), (4, 4543402), (8, 2271701), (61, 297928), (122, 148964), (167, 108824), (223, 81496), (244, 74482), (334, 54412), (446, 40748), (488, 37241), (668, 27206), (892, 20374), (1336, 13603), (1784, 10187)]