18259227

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7069}}^1$

素因数の和:7123

約数の個数: 24

約数和(自身を含む): 30881760

約数和(自身を除く): 12622533

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7069, 21207, 49483, 63621, 148449, 289829, 445347, 869487, 2028803, 2608461, 6086409, 18259227]

約数ペア:

[(1, 18259227), (3, 6086409), (7, 2608461), (9, 2028803), (21, 869487), (41, 445347), (63, 289829), (123, 148449), (287, 63621), (369, 49483), (861, 21207), (2583, 7069)]