19715692010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2789}}^1\times {\mathrm{100987}}^1$

素因数の和:103790

約数の個数: 32

約数和(自身を含む): 40572938880

約数和(自身を除く): 20857246870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2789, 5578, 13945, 19523, 27890, 39046, 97615, 100987, 195230, 201974, 504935, 706909, 1009870, 1413818, 3534545, 7069090, 281652743, 563305486, 1408263715, 1971569201, 2816527430, 3943138402, 9857846005, 19715692010]

約数ペア:

[(1, 19715692010), (2, 9857846005), (5, 3943138402), (7, 2816527430), (10, 1971569201), (14, 1408263715), (35, 563305486), (70, 281652743), (2789, 7069090), (5578, 3534545), (13945, 1413818), (19523, 1009870), (27890, 706909), (39046, 504935), (97615, 201974), (100987, 195230)]