20180991788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2297}}^1\times {\mathrm{2749}}^1$

素因数の和:5114

約数の個数: 48

約数和(自身を含む): 38220336000

約数和(自身を除く): 18039344212

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 2297, 2749, 3196, 4594, 5498, 9188, 10996, 39049, 46733, 78098, 93466, 107959, 129203, 156196, 186932, 215918, 258406, 431836, 516812, 1835303, 2196451, 3670606, 4392902, 6314453, 7341212, 8785804, 12628906, 25257812, 107345701, 214691402, 296779291, 429382804, 593558582, 1187117164, 5045247947, 10090495894, 20180991788]

約数ペア:

[(1, 20180991788), (2, 10090495894), (4, 5045247947), (17, 1187117164), (34, 593558582), (47, 429382804), (68, 296779291), (94, 214691402), (188, 107345701), (799, 25257812), (1598, 12628906), (2297, 8785804), (2749, 7341212), (3196, 6314453), (4594, 4392902), (5498, 3670606), (9188, 2196451), (10996, 1835303), (39049, 516812), (46733, 431836), (78098, 258406), (93466, 215918), (107959, 186932), (129203, 156196)]