19672070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4159}}^1$

素因数の和:4220

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19864570

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4159, 4730, 8318, 20795, 41590, 45749, 91498, 178837, 228745, 357674, 457490, 894185, 1788370, 1967207, 3934414, 9836035, 19672070]

約数ペア:

[(1, 19672070), (2, 9836035), (5, 3934414), (10, 1967207), (11, 1788370), (22, 894185), (43, 457490), (55, 357674), (86, 228745), (110, 178837), (215, 91498), (430, 45749), (473, 41590), (946, 20795), (2365, 8318), (4159, 4730)]