18821400318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{881}}^1\times {\mathrm{169553}}^1$

素因数の和:170449

約数の個数: 48

約数和(自身を含む): 46658547936

約数和(自身を除く): 27837147618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 881, 1762, 2643, 5286, 6167, 7929, 12334, 15858, 18501, 37002, 55503, 111006, 169553, 339106, 508659, 1017318, 1186871, 1525977, 2373742, 3051954, 3560613, 7121226, 10681839, 21363678, 149376193, 298752386, 448128579, 896257158, 1045633351, 1344385737, 2091266702, 2688771474, 3136900053, 6273800106, 9410700159, 18821400318]

約数ペア:

[(1, 18821400318), (2, 9410700159), (3, 6273800106), (6, 3136900053), (7, 2688771474), (9, 2091266702), (14, 1344385737), (18, 1045633351), (21, 896257158), (42, 448128579), (63, 298752386), (126, 149376193), (881, 21363678), (1762, 10681839), (2643, 7121226), (5286, 3560613), (6167, 3051954), (7929, 2373742), (12334, 1525977), (15858, 1186871), (18501, 1017318), (37002, 508659), (55503, 339106), (111006, 169553)]