18879237328

素因数分解:

$2^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{485777}}^1$

素因数の和:486139

約数の個数: 40

約数和(自身を含む): 41924584512

約数和(自身を除く): 23045347184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 347, 694, 1388, 2429, 2776, 4858, 5552, 9716, 19432, 38864, 485777, 971554, 1943108, 3400439, 3886216, 6800878, 7772432, 13601756, 27203512, 54407024, 168564619, 337129238, 674258476, 1179952333, 1348516952, 2359904666, 2697033904, 4719809332, 9439618664, 18879237328]

約数ペア:

[(1, 18879237328), (2, 9439618664), (4, 4719809332), (7, 2697033904), (8, 2359904666), (14, 1348516952), (16, 1179952333), (28, 674258476), (56, 337129238), (112, 168564619), (347, 54407024), (694, 27203512), (1388, 13601756), (2429, 7772432), (2776, 6800878), (4858, 3886216), (5552, 3400439), (9716, 1943108), (19432, 971554), (38864, 485777)]