19797085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51421}}^1$

素因数の和:51444

約数の個数: 16

約数和(自身を含む): 29619072

約数和(自身を除く): 9821987

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51421, 257105, 359947, 565631, 1799735, 2828155, 3959417, 19797085]

約数ペア:

[(1, 19797085), (5, 3959417), (7, 2828155), (11, 1799735), (35, 565631), (55, 359947), (77, 257105), (385, 51421)]