18328020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1217}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 51565248

約数和(自身を除く): 33237228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1217, 1255, 1506, 2434, 2510, 3012, 3651, 3765, 4868, 5020, 6085, 7302, 7530, 12170, 14604, 15060, 18255, 24340, 36510, 73020, 305467, 610934, 916401, 1221868, 1527335, 1832802, 3054670, 3665604, 4582005, 6109340, 9164010, 18328020]

約数ペア:

[(1, 18328020), (2, 9164010), (3, 6109340), (4, 4582005), (5, 3665604), (6, 3054670), (10, 1832802), (12, 1527335), (15, 1221868), (20, 916401), (30, 610934), (60, 305467), (251, 73020), (502, 36510), (753, 24340), (1004, 18255), (1217, 15060), (1255, 14604), (1506, 12170), (2434, 7530), (2510, 7302), (3012, 6085), (3651, 5020), (3765, 4868)]