19007318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2221}}^1$

素因数の和:2623

約数の個数: 16

約数和(自身を含む): 31196880

約数和(自身を除く): 12189562

約数列:

[1, 2, 11, 22, 389, 778, 2221, 4279, 4442, 8558, 24431, 48862, 863969, 1727938, 9503659, 19007318]

約数ペア:

[(1, 19007318), (2, 9503659), (11, 1727938), (22, 863969), (389, 48862), (778, 24431), (2221, 8558), (4279, 4442)]