19947510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20149}}^1$

素因数の和:20173

約数の個数: 48

約数和(自身を含む): 56581200

約数和(自身を除く): 36633690

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20149, 40298, 60447, 100745, 120894, 181341, 201490, 221639, 302235, 362682, 443278, 604470, 664917, 906705, 1108195, 1329834, 1813410, 1994751, 2216390, 3324585, 3989502, 6649170, 9973755, 19947510]

約数ペア:

[(1, 19947510), (2, 9973755), (3, 6649170), (5, 3989502), (6, 3324585), (9, 2216390), (10, 1994751), (11, 1813410), (15, 1329834), (18, 1108195), (22, 906705), (30, 664917), (33, 604470), (45, 443278), (55, 362682), (66, 302235), (90, 221639), (99, 201490), (110, 181341), (165, 120894), (198, 100745), (330, 60447), (495, 40298), (990, 20149)]