16904238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7040

約数の個数: 32

約数和(自身を含む): 37588992

約数和(自身を除く): 20684754

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 6991, 13982, 20973, 41946, 90883, 181766, 216721, 272649, 433442, 545298, 650163, 1300326, 2817373, 5634746, 8452119, 16904238]

約数ペア:

[(1, 16904238), (2, 8452119), (3, 5634746), (6, 2817373), (13, 1300326), (26, 650163), (31, 545298), (39, 433442), (62, 272649), (78, 216721), (93, 181766), (186, 90883), (403, 41946), (806, 20973), (1209, 13982), (2418, 6991)]