19640940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29759}}^1$

素因数の和:29782

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 40355220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 29759, 59518, 89277, 119036, 148795, 178554, 297590, 327349, 357108, 446385, 595180, 654698, 892770, 982047, 1309396, 1636745, 1785540, 1964094, 3273490, 3928188, 4910235, 6546980, 9820470, 19640940]

約数ペア:

[(1, 19640940), (2, 9820470), (3, 6546980), (4, 4910235), (5, 3928188), (6, 3273490), (10, 1964094), (11, 1785540), (12, 1636745), (15, 1309396), (20, 982047), (22, 892770), (30, 654698), (33, 595180), (44, 446385), (55, 357108), (60, 327349), (66, 297590), (110, 178554), (132, 148795), (165, 119036), (220, 89277), (330, 59518), (660, 29759)]