18400818

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 38212416

約数和(自身を除く): 19811598

約数列:

[1, 2, 3, 6, 43, 73, 86, 129, 146, 219, 258, 438, 977, 1954, 2931, 3139, 5862, 6278, 9417, 18834, 42011, 71321, 84022, 126033, 142642, 213963, 252066, 427926, 3066803, 6133606, 9200409, 18400818]

約数ペア:

[(1, 18400818), (2, 9200409), (3, 6133606), (6, 3066803), (43, 427926), (73, 252066), (86, 213963), (129, 142642), (146, 126033), (219, 84022), (258, 71321), (438, 42011), (977, 18834), (1954, 9417), (2931, 6278), (3139, 5862)]