1939982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:931

約数の個数: 16

約数和(自身を含む): 3207600

約数和(自身を除く): 1267618

約数列:

[1, 2, 11, 22, 109, 218, 809, 1199, 1618, 2398, 8899, 17798, 88181, 176362, 969991, 1939982]

約数ペア:

[(1, 1939982), (2, 969991), (11, 176362), (22, 88181), (109, 17798), (218, 8899), (809, 2398), (1199, 1618)]