19589551

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 21606400

約数和(自身を除く): 2016849

約数列:

[1, 19, 31, 79, 421, 589, 1501, 2449, 7999, 13051, 33259, 46531, 247969, 631921, 1031029, 19589551]

約数ペア:

[(1, 19589551), (19, 1031029), (31, 631921), (79, 247969), (421, 46531), (589, 33259), (1501, 13051), (2449, 7999)]