19276257

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 16205343

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 131, 143, 147, 231, 273, 343, 393, 429, 539, 637, 917, 1001, 1029, 1441, 1617, 1703, 1911, 2751, 3003, 3773, 4323, 4459, 5109, 6419, 7007, 10087, 11319, 11921, 13377, 18733, 19257, 21021, 30261, 35763, 44933, 49049, 56199, 70609, 83447, 131131, 134799, 147147, 211827, 250341, 393393, 494263, 584129, 917917, 1482789, 1752387, 2753751, 6425419, 19276257]

約数ペア:

[(1, 19276257), (3, 6425419), (7, 2753751), (11, 1752387), (13, 1482789), (21, 917917), (33, 584129), (39, 494263), (49, 393393), (77, 250341), (91, 211827), (131, 147147), (143, 134799), (147, 131131), (231, 83447), (273, 70609), (343, 56199), (393, 49049), (429, 44933), (539, 35763), (637, 30261), (917, 21021), (1001, 19257), (1029, 18733), (1441, 13377), (1617, 11921), (1703, 11319), (1911, 10087), (2751, 7007), (3003, 6419), (3773, 5109), (4323, 4459)]