18549993

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 31122432

約数和(自身を除く): 12572439

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 613, 917, 1441, 1839, 2751, 4291, 4323, 6743, 10087, 12873, 20229, 30261, 47201, 80303, 141603, 240909, 562121, 883333, 1686363, 2649999, 6183331, 18549993]

約数ペア:

[(1, 18549993), (3, 6183331), (7, 2649999), (11, 1686363), (21, 883333), (33, 562121), (77, 240909), (131, 141603), (231, 80303), (393, 47201), (613, 30261), (917, 20229), (1441, 12873), (1839, 10087), (2751, 6743), (4291, 4323)]