19640372427

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{513353}}^1$

素因数の和:513484

約数の個数: 32

約数和(自身を含む): 31622606400

約数和(自身を除く): 11982233973

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 981, 1417, 2943, 4251, 12753, 38259, 513353, 1540059, 4620177, 6673589, 13860531, 20020767, 55955477, 60062301, 167866431, 180186903, 503599293, 727421201, 1510797879, 2182263603, 6546790809, 19640372427]

約数ペア:

[(1, 19640372427), (3, 6546790809), (9, 2182263603), (13, 1510797879), (27, 727421201), (39, 503599293), (109, 180186903), (117, 167866431), (327, 60062301), (351, 55955477), (981, 20020767), (1417, 13860531), (2943, 6673589), (4251, 4620177), (12753, 1540059), (38259, 513353)]