19569389

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 23493888

約数和(自身を除く): 3924499

約数列:

[1, 7, 23, 161, 197, 617, 1379, 4319, 4531, 14191, 31717, 99337, 121549, 850843, 2795627, 19569389]

約数ペア:

[(1, 19569389), (7, 2795627), (23, 850843), (161, 121549), (197, 99337), (617, 31717), (1379, 14191), (4319, 4531)]