19680369

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 27963936

約数和(自身を除く): 8283567

約数列:

[1, 3, 41, 43, 61, 123, 129, 183, 1763, 2501, 2623, 3721, 5289, 7503, 7869, 11163, 107543, 152561, 160003, 322629, 457683, 480009, 6560123, 19680369]

約数ペア:

[(1, 19680369), (3, 6560123), (41, 480009), (43, 457683), (61, 322629), (123, 160003), (129, 152561), (183, 107543), (1763, 11163), (2501, 7869), (2623, 7503), (3721, 5289)]