18912994

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1951}}^1$

素因数の和:2121

約数の個数: 16

約数和(自身を含む): 29373696

約数和(自身を除く): 10460702

約数列:

[1, 2, 37, 74, 131, 262, 1951, 3902, 4847, 9694, 72187, 144374, 255581, 511162, 9456497, 18912994]

約数ペア:

[(1, 18912994), (2, 9456497), (37, 511162), (74, 255581), (131, 144374), (262, 72187), (1951, 9694), (3902, 4847)]