19764085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18913}}^1$

素因数の和:18948

約数の個数: 16

約数和(自身を含む): 27236160

約数和(自身を除く): 7472075

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18913, 94565, 208043, 359347, 1040215, 1796735, 3952817, 19764085]

約数ペア:

[(1, 19764085), (5, 3952817), (11, 1796735), (19, 1040215), (55, 359347), (95, 208043), (209, 94565), (1045, 18913)]