18874119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 28790784

約数和(自身を除く): 9916665

約数列:

[1, 3, 11, 33, 43, 47, 129, 141, 283, 473, 517, 849, 1419, 1551, 2021, 3113, 6063, 9339, 12169, 13301, 22231, 36507, 39903, 66693, 133859, 146311, 401577, 438933, 571943, 1715829, 6291373, 18874119]

約数ペア:

[(1, 18874119), (3, 6291373), (11, 1715829), (33, 571943), (43, 438933), (47, 401577), (129, 146311), (141, 133859), (283, 66693), (473, 39903), (517, 36507), (849, 22231), (1419, 13301), (1551, 12169), (2021, 9339), (3113, 6063)]