19680822

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1433}}^1$

素因数の和:1557

約数の個数: 48

約数和(自身を含む): 49214880

約数和(自身を除く): 29534058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1433, 1526, 1962, 2289, 2866, 4299, 4578, 6867, 8598, 10031, 12897, 13734, 20062, 25794, 30093, 60186, 90279, 156197, 180558, 312394, 468591, 937182, 1093379, 1405773, 2186758, 2811546, 3280137, 6560274, 9840411, 19680822]

約数ペア:

[(1, 19680822), (2, 9840411), (3, 6560274), (6, 3280137), (7, 2811546), (9, 2186758), (14, 1405773), (18, 1093379), (21, 937182), (42, 468591), (63, 312394), (109, 180558), (126, 156197), (218, 90279), (327, 60186), (654, 30093), (763, 25794), (981, 20062), (1433, 13734), (1526, 12897), (1962, 10031), (2289, 8598), (2866, 6867), (4299, 4578)]