19956691

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 21811680

約数和(自身を除く): 1854989

約数列:

[1, 17, 59, 101, 197, 1003, 1717, 3349, 5959, 11623, 19897, 101303, 197591, 338249, 1173923, 19956691]

約数ペア:

[(1, 19956691), (17, 1173923), (59, 338249), (101, 197591), (197, 101303), (1003, 19897), (1717, 11623), (3349, 5959)]