19411893

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5099}}^1$

素因数の和:5158

約数の個数: 20

約数和(自身を含む): 29620800

約数和(自身を除く): 10208907

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5099, 15297, 45891, 137673, 239653, 413019, 718959, 2156877, 6470631, 19411893]

約数ペア:

[(1, 19411893), (3, 6470631), (9, 2156877), (27, 718959), (47, 413019), (81, 239653), (141, 137673), (423, 45891), (1269, 15297), (3807, 5099)]