18714829

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 22650880

約数和(自身を除く): 3936051

約数列:

[1, 7, 19, 133, 223, 631, 1561, 4237, 4417, 11989, 29659, 83923, 140713, 984991, 2673547, 18714829]

約数ペア:

[(1, 18714829), (7, 2673547), (19, 984991), (133, 140713), (223, 83923), (631, 29659), (1561, 11989), (4237, 4417)]