19912782

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{12619}}^1$

素因数の和:12887

約数の個数: 16

約数和(自身を含む): 39980160

約数和(自身を除く): 20067378

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 12619, 25238, 37857, 75714, 3318797, 6637594, 9956391, 19912782]

約数ペア:

[(1, 19912782), (2, 9956391), (3, 6637594), (6, 3318797), (263, 75714), (526, 37857), (789, 25238), (1578, 12619)]