19528046993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{4339}}^1$

素因数の和:4534

約数の個数: 48

約数和(自身を含む): 25557114240

約数和(自身を除く): 6029067247

約数列:

[1, 7, 13, 19, 91, 133, 137, 247, 361, 959, 1729, 1781, 2527, 2603, 4339, 4693, 12467, 18221, 30373, 32851, 33839, 49457, 56407, 82441, 236873, 346199, 394849, 577087, 594443, 642941, 1071733, 1566379, 4161101, 4500587, 7502131, 7727759, 10964653, 11294417, 20362927, 54094313, 79060919, 142540489, 146827421, 214593923, 1027791947, 1502157461, 2789720999, 19528046993]

約数ペア:

[(1, 19528046993), (7, 2789720999), (13, 1502157461), (19, 1027791947), (91, 214593923), (133, 146827421), (137, 142540489), (247, 79060919), (361, 54094313), (959, 20362927), (1729, 11294417), (1781, 10964653), (2527, 7727759), (2603, 7502131), (4339, 4500587), (4693, 4161101), (12467, 1566379), (18221, 1071733), (30373, 642941), (32851, 594443), (33839, 577087), (49457, 394849), (56407, 346199), (82441, 236873)]