19953395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51827}}^1$

素因数の和:51850

約数の個数: 16

約数和(自身を含む): 29852928

約数和(自身を除く): 9899533

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51827, 259135, 362789, 570097, 1813945, 2850485, 3990679, 19953395]

約数ペア:

[(1, 19953395), (5, 3990679), (7, 2850485), (11, 1813945), (35, 570097), (55, 362789), (77, 259135), (385, 51827)]