19982484

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3491}}^1$

素因数の和:3557

約数の個数: 48

約数和(自身を含む): 52799040

約数和(自身を除く): 32816556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3491, 5724, 6982, 10473, 13964, 20946, 31419, 41892, 62838, 94257, 125676, 185023, 188514, 370046, 377028, 555069, 740092, 1110138, 1665207, 2220276, 3330414, 4995621, 6660828, 9991242, 19982484]

約数ペア:

[(1, 19982484), (2, 9991242), (3, 6660828), (4, 4995621), (6, 3330414), (9, 2220276), (12, 1665207), (18, 1110138), (27, 740092), (36, 555069), (53, 377028), (54, 370046), (106, 188514), (108, 185023), (159, 125676), (212, 94257), (318, 62838), (477, 41892), (636, 31419), (954, 20946), (1431, 13964), (1908, 10473), (2862, 6982), (3491, 5724)]