19206315

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1073

約数の個数: 40

約数和(自身を含む): 35196480

約数和(自身を除く): 15990165

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1009, 1269, 2115, 3027, 3807, 5045, 6345, 9081, 15135, 19035, 27243, 45405, 47423, 81729, 136215, 142269, 237115, 408645, 426807, 711345, 1280421, 2134035, 3841263, 6402105, 19206315]

約数ペア:

[(1, 19206315), (3, 6402105), (5, 3841263), (9, 2134035), (15, 1280421), (27, 711345), (45, 426807), (47, 408645), (81, 237115), (135, 142269), (141, 136215), (235, 81729), (405, 47423), (423, 45405), (705, 27243), (1009, 19035), (1269, 15135), (2115, 9081), (3027, 6345), (3807, 5045)]