19452440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69473}}^1$

素因数の和:69491

約数の個数: 32

約数和(自身を含む): 50021280

約数和(自身を除く): 30568840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69473, 138946, 277892, 347365, 486311, 555784, 694730, 972622, 1389460, 1945244, 2431555, 2778920, 3890488, 4863110, 9726220, 19452440]

約数ペア:

[(1, 19452440), (2, 9726220), (4, 4863110), (5, 3890488), (7, 2778920), (8, 2431555), (10, 1945244), (14, 1389460), (20, 972622), (28, 694730), (35, 555784), (40, 486311), (56, 347365), (70, 277892), (140, 138946), (280, 69473)]