19520765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3659}}^1$

素因数の和:3772

約数の個数: 16

約数和(自身を含む): 25824960

約数和(自身を除く): 6304195

約数列:

[1, 5, 11, 55, 97, 485, 1067, 3659, 5335, 18295, 40249, 201245, 354923, 1774615, 3904153, 19520765]

約数ペア:

[(1, 19520765), (5, 3904153), (11, 1774615), (55, 354923), (97, 201245), (485, 40249), (1067, 18295), (3659, 5335)]