18486531

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 33179328

約数和(自身を除く): 14692797

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 421, 697, 861, 1071, 1263, 2091, 2583, 2947, 3789, 4879, 6273, 7157, 8841, 14637, 17261, 21471, 26523, 43911, 50099, 51783, 64413, 120827, 150297, 155349, 293437, 362481, 450891, 880311, 1087443, 2054059, 2640933, 6162177, 18486531]

約数ペア:

[(1, 18486531), (3, 6162177), (7, 2640933), (9, 2054059), (17, 1087443), (21, 880311), (41, 450891), (51, 362481), (63, 293437), (119, 155349), (123, 150297), (153, 120827), (287, 64413), (357, 51783), (369, 50099), (421, 43911), (697, 26523), (861, 21471), (1071, 17261), (1263, 14637), (2091, 8841), (2583, 7157), (2947, 6273), (3789, 4879)]