17791938

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 39975936

約数和(自身を除く): 22183998

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 181, 254, 258, 362, 381, 387, 543, 762, 774, 1086, 1143, 1629, 2286, 3258, 5461, 7783, 10922, 15566, 16383, 22987, 23349, 32766, 45974, 46698, 49149, 68961, 70047, 98298, 137922, 140094, 206883, 413766, 988441, 1976882, 2965323, 5930646, 8895969, 17791938]

約数ペア:

[(1, 17791938), (2, 8895969), (3, 5930646), (6, 2965323), (9, 1976882), (18, 988441), (43, 413766), (86, 206883), (127, 140094), (129, 137922), (181, 98298), (254, 70047), (258, 68961), (362, 49149), (381, 46698), (387, 45974), (543, 32766), (762, 23349), (774, 22987), (1086, 16383), (1143, 15566), (1629, 10922), (2286, 7783), (3258, 5461)]