19201611

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 30569784

約数和(自身を除く): 11368173

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 169, 313, 363, 429, 507, 939, 1573, 1859, 3443, 4069, 4719, 5577, 10329, 12207, 20449, 37873, 44759, 52897, 61347, 113619, 134277, 158691, 492349, 581867, 1477047, 1745601, 6400537, 19201611]

約数ペア:

[(1, 19201611), (3, 6400537), (11, 1745601), (13, 1477047), (33, 581867), (39, 492349), (121, 158691), (143, 134277), (169, 113619), (313, 61347), (363, 52897), (429, 44759), (507, 37873), (939, 20449), (1573, 12207), (1859, 10329), (3443, 5577), (4069, 4719)]