2013121990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18301109}}^1$

素因数の和:18301127

約数の個数: 16

約数和(自身を含む): 3953039760

約数和(自身を除く): 1939917770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18301109, 36602218, 91505545, 183011090, 201312199, 402624398, 1006560995, 2013121990]

約数ペア:

[(1, 2013121990), (2, 1006560995), (5, 402624398), (10, 201312199), (11, 183011090), (22, 91505545), (55, 36602218), (110, 18301109)]