19781706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{470993}}^1$

素因数の和:471005

約数の個数: 16

約数和(自身を含む): 45215424

約数和(自身を除く): 25433718

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 470993, 941986, 1412979, 2825958, 3296951, 6593902, 9890853, 19781706]

約数ペア:

[(1, 19781706), (2, 9890853), (3, 6593902), (6, 3296951), (7, 2825958), (14, 1412979), (21, 941986), (42, 470993)]