18882941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12907}}^1$

素因数の和:12944

約数の個数: 16

約数和(自身を含む): 24783360

約数和(自身を除く): 5900419

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12907, 90349, 141977, 245233, 993839, 1716631, 2697563, 18882941]

約数ペア:

[(1, 18882941), (7, 2697563), (11, 1716631), (19, 993839), (77, 245233), (133, 141977), (209, 90349), (1463, 12907)]