19974900174

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{90439}}^1$

素因数の和:90856

約数の個数: 32

約数和(自身を含む): 40398462720

約数和(自身を除く): 20423562546

約数列:

[1, 2, 3, 6, 131, 262, 281, 393, 562, 786, 843, 1686, 36811, 73622, 90439, 110433, 180878, 220866, 271317, 542634, 11847509, 23695018, 25413359, 35542527, 50826718, 71085054, 76240077, 152480154, 3329150029, 6658300058, 9987450087, 19974900174]

約数ペア:

[(1, 19974900174), (2, 9987450087), (3, 6658300058), (6, 3329150029), (131, 152480154), (262, 76240077), (281, 71085054), (393, 50826718), (562, 35542527), (786, 25413359), (843, 23695018), (1686, 11847509), (36811, 542634), (73622, 271317), (90439, 220866), (110433, 180878)]