1219881814

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 1999792800

約数和(自身を除く): 779910986

約数列:

[1, 2, 19, 38, 53, 71, 106, 142, 361, 449, 722, 898, 1007, 1349, 2014, 2698, 3763, 7526, 8531, 17062, 19133, 23797, 25631, 31879, 38266, 47594, 51262, 63758, 71497, 142994, 162089, 324178, 452143, 605701, 904286, 1211402, 1358443, 1689587, 2716886, 3379174, 8590717, 11508319, 17181434, 23016638, 32102153, 64204306, 609940907, 1219881814]

約数ペア:

[(1, 1219881814), (2, 609940907), (19, 64204306), (38, 32102153), (53, 23016638), (71, 17181434), (106, 11508319), (142, 8590717), (361, 3379174), (449, 2716886), (722, 1689587), (898, 1358443), (1007, 1211402), (1349, 904286), (2014, 605701), (2698, 452143), (3763, 324178), (7526, 162089), (8531, 142994), (17062, 71497), (19133, 63758), (23797, 51262), (25631, 47594), (31879, 38266)]