19989095

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3833}}^1$

素因数の和:3994

約数の個数: 16

約数和(自身を含む): 27604800

約数和(自身を除く): 7615705

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3833, 5215, 19165, 26831, 134155, 571117, 2855585, 3997819, 19989095]

約数ペア:

[(1, 19989095), (5, 3997819), (7, 2855585), (35, 571117), (149, 134155), (745, 26831), (1043, 19165), (3833, 5215)]