18674019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^2$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 33419568

約数和(自身を除く): 14745549

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 273, 453, 819, 1057, 1359, 1963, 3171, 5889, 9513, 13741, 17667, 22801, 41223, 68403, 123669, 159607, 205209, 296413, 478821, 889239, 1436463, 2074891, 2667717, 6224673, 18674019]

約数ペア:

[(1, 18674019), (3, 6224673), (7, 2667717), (9, 2074891), (13, 1436463), (21, 889239), (39, 478821), (63, 296413), (91, 205209), (117, 159607), (151, 123669), (273, 68403), (453, 41223), (819, 22801), (1057, 17667), (1359, 13741), (1963, 9513), (3171, 5889)]