18886756

素因数分解:

$2^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:748

約数の個数: 36

約数和(自身を含む): 38739708

約数和(自身を除く): 19852952

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 173, 196, 346, 557, 692, 1114, 1211, 2228, 2422, 3899, 4844, 7798, 8477, 15596, 16954, 27293, 33908, 54586, 96361, 109172, 192722, 385444, 674527, 1349054, 2698108, 4721689, 9443378, 18886756]

約数ペア:

[(1, 18886756), (2, 9443378), (4, 4721689), (7, 2698108), (14, 1349054), (28, 674527), (49, 385444), (98, 192722), (173, 109172), (196, 96361), (346, 54586), (557, 33908), (692, 27293), (1114, 16954), (1211, 15596), (2228, 8477), (2422, 7798), (3899, 4844)]