19810764

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3461}}^1$

素因数の和:3527

約数の個数: 48

約数和(自身を含む): 52345440

約数和(自身を除く): 32534676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3461, 5724, 6922, 10383, 13844, 20766, 31149, 41532, 62298, 93447, 124596, 183433, 186894, 366866, 373788, 550299, 733732, 1100598, 1650897, 2201196, 3301794, 4952691, 6603588, 9905382, 19810764]

約数ペア:

[(1, 19810764), (2, 9905382), (3, 6603588), (4, 4952691), (6, 3301794), (9, 2201196), (12, 1650897), (18, 1100598), (27, 733732), (36, 550299), (53, 373788), (54, 366866), (106, 186894), (108, 183433), (159, 124596), (212, 93447), (318, 62298), (477, 41532), (636, 31149), (954, 20766), (1431, 13844), (1908, 10383), (2862, 6922), (3461, 5724)]