19944702980

素因数分解:

$2^2\times 5^1\times {\mathrm{26863}}^1\times {\mathrm{37123}}^1$

素因数の和:63995

約数の個数: 24

約数和(自身を含む): 41886563712

約数和(自身を除く): 21941860732

約数列:

[1, 2, 4, 5, 10, 20, 26863, 37123, 53726, 74246, 107452, 134315, 148492, 185615, 268630, 371230, 537260, 742460, 997235149, 1994470298, 3988940596, 4986175745, 9972351490, 19944702980]

約数ペア:

[(1, 19944702980), (2, 9972351490), (4, 4986175745), (5, 3988940596), (10, 1994470298), (20, 997235149), (26863, 742460), (37123, 537260), (53726, 371230), (74246, 268630), (107452, 185615), (134315, 148492)]