19847854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 33685344

約数和(自身を除く): 13837490

約数列:

[1, 2, 13, 26, 41, 43, 82, 86, 433, 533, 559, 866, 1066, 1118, 1763, 3526, 5629, 11258, 17753, 18619, 22919, 35506, 37238, 45838, 230789, 242047, 461578, 484094, 763379, 1526758, 9923927, 19847854]

約数ペア:

[(1, 19847854), (2, 9923927), (13, 1526758), (26, 763379), (41, 484094), (43, 461578), (82, 242047), (86, 230789), (433, 45838), (533, 37238), (559, 35506), (866, 22919), (1066, 18619), (1118, 17753), (1763, 11258), (3526, 5629)]