19999422

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15649}}^1$

素因数の和:15728

約数の個数: 24

約数和(自身を含む): 43945200

約数和(自身を除く): 23945778

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15649, 31298, 46947, 93894, 140841, 281682, 1111079, 2222158, 3333237, 6666474, 9999711, 19999422]

約数ペア:

[(1, 19999422), (2, 9999711), (3, 6666474), (6, 3333237), (9, 2222158), (18, 1111079), (71, 281682), (142, 140841), (213, 93894), (426, 46947), (639, 31298), (1278, 15649)]