19631780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140227}}^1$

素因数の和:140243

約数の個数: 24

約数和(自身を含む): 47116608

約数和(自身を除く): 27484828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140227, 280454, 560908, 701135, 981589, 1402270, 1963178, 2804540, 3926356, 4907945, 9815890, 19631780]

約数ペア:

[(1, 19631780), (2, 9815890), (4, 4907945), (5, 3926356), (7, 2804540), (10, 1963178), (14, 1402270), (20, 981589), (28, 701135), (35, 560908), (70, 280454), (140, 140227)]