19764258

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{31981}}^1$

素因数の和:32089

約数の個数: 16

約数和(自身を含む): 39913536

約数和(自身を除く): 20149278

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 31981, 63962, 95943, 191886, 3294043, 6588086, 9882129, 19764258]

約数ペア:

[(1, 19764258), (2, 9882129), (3, 6588086), (6, 3294043), (103, 191886), (206, 95943), (309, 63962), (618, 31981)]