19761651

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:422

約数の個数: 60

約数和(自身を含む): 37078272

約数和(自身を除く): 17316621

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 273, 351, 383, 441, 567, 637, 819, 1053, 1149, 1323, 1911, 2457, 2681, 3447, 3969, 4979, 5733, 7371, 8043, 10341, 14937, 17199, 18767, 24129, 31023, 34853, 44811, 51597, 56301, 72387, 104559, 134433, 168903, 217161, 243971, 313677, 403299, 506709, 731913, 941031, 1520127, 2195739, 2823093, 6587217, 19761651]

約数ペア:

[(1, 19761651), (3, 6587217), (7, 2823093), (9, 2195739), (13, 1520127), (21, 941031), (27, 731913), (39, 506709), (49, 403299), (63, 313677), (81, 243971), (91, 217161), (117, 168903), (147, 134433), (189, 104559), (273, 72387), (351, 56301), (383, 51597), (441, 44811), (567, 34853), (637, 31023), (819, 24129), (1053, 18767), (1149, 17199), (1323, 14937), (1911, 10341), (2457, 8043), (2681, 7371), (3447, 5733), (3969, 4979)]