19396980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107761}}^1$

素因数の和:107776

約数の個数: 36

約数和(自身を含む): 58838052

約数和(自身を除く): 39441072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 107761, 215522, 323283, 431044, 538805, 646566, 969849, 1077610, 1293132, 1616415, 1939698, 2155220, 3232830, 3879396, 4849245, 6465660, 9698490, 19396980]

約数ペア:

[(1, 19396980), (2, 9698490), (3, 6465660), (4, 4849245), (5, 3879396), (6, 3232830), (9, 2155220), (10, 1939698), (12, 1616415), (15, 1293132), (18, 1077610), (20, 969849), (30, 646566), (36, 538805), (45, 431044), (60, 323283), (90, 215522), (180, 107761)]