2149172990

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1901923}}^1$

素因数の和:1902043

約数の個数: 16

約数和(自身を含む): 3902748048

約数和(自身を除く): 1753575058

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 1901923, 3803846, 9509615, 19019230, 214917299, 429834598, 1074586495, 2149172990]

約数ペア:

[(1, 2149172990), (2, 1074586495), (5, 429834598), (10, 214917299), (113, 19019230), (226, 9509615), (565, 3803846), (1130, 1901923)]