18117816

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{5431}}^1$

素因数の和:5579

約数の個数: 32

約数和(自身を含む): 45628800

約数和(自身を除く): 27510984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 5431, 10862, 16293, 21724, 32586, 43448, 65172, 130344, 754909, 1509818, 2264727, 3019636, 4529454, 6039272, 9058908, 18117816]

約数ペア:

[(1, 18117816), (2, 9058908), (3, 6039272), (4, 4529454), (6, 3019636), (8, 2264727), (12, 1509818), (24, 754909), (139, 130344), (278, 65172), (417, 43448), (556, 32586), (834, 21724), (1112, 16293), (1668, 10862), (3336, 5431)]