19712315

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19421}}^1$

素因数の和:19462

約数の個数: 16

約数和(自身を含む): 27967680

約数和(自身を除く): 8255365

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19421, 97105, 135947, 563209, 679735, 2816045, 3942463, 19712315]

約数ペア:

[(1, 19712315), (5, 3942463), (7, 2816045), (29, 679735), (35, 563209), (145, 135947), (203, 97105), (1015, 19421)]