19515672813

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{51839}}^1$

素因数の和:52066

約数の個数: 48

約数和(自身を含む): 32763709440

約数和(自身を除く): 13248036627

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 197, 273, 591, 637, 1379, 1911, 2561, 4137, 7683, 9653, 17927, 28959, 51839, 53781, 125489, 155517, 362873, 376467, 673907, 1088619, 2021721, 2540111, 4717349, 7620333, 10212283, 14152047, 30636849, 33021443, 71485981, 99064329, 132759679, 214457943, 398279037, 500401867, 929317753, 1501205601, 2787953259, 6505224271, 19515672813]

約数ペア:

[(1, 19515672813), (3, 6505224271), (7, 2787953259), (13, 1501205601), (21, 929317753), (39, 500401867), (49, 398279037), (91, 214457943), (147, 132759679), (197, 99064329), (273, 71485981), (591, 33021443), (637, 30636849), (1379, 14152047), (1911, 10212283), (2561, 7620333), (4137, 4717349), (7683, 2540111), (9653, 2021721), (17927, 1088619), (28959, 673907), (51839, 376467), (53781, 362873), (125489, 155517)]