18889716

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27679884

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 89, 92, 138, 178, 267, 276, 356, 534, 769, 1068, 1538, 2047, 2307, 3076, 4094, 4614, 6141, 8188, 9228, 12282, 17687, 24564, 35374, 53061, 68441, 70748, 106122, 136882, 205323, 212244, 273764, 410646, 821292, 1574143, 3148286, 4722429, 6296572, 9444858, 18889716]

約数ペア:

[(1, 18889716), (2, 9444858), (3, 6296572), (4, 4722429), (6, 3148286), (12, 1574143), (23, 821292), (46, 410646), (69, 273764), (89, 212244), (92, 205323), (138, 136882), (178, 106122), (267, 70748), (276, 68441), (356, 53061), (534, 35374), (769, 24564), (1068, 17687), (1538, 12282), (2047, 9228), (2307, 8188), (3076, 6141), (4094, 4614)]