19822040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70793}}^1$

素因数の和:70811

約数の個数: 32

約数和(自身を含む): 50971680

約数和(自身を除く): 31149640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70793, 141586, 283172, 353965, 495551, 566344, 707930, 991102, 1415860, 1982204, 2477755, 2831720, 3964408, 4955510, 9911020, 19822040]

約数ペア:

[(1, 19822040), (2, 9911020), (4, 4955510), (5, 3964408), (7, 2831720), (8, 2477755), (10, 1982204), (14, 1415860), (20, 991102), (28, 707930), (35, 566344), (40, 495551), (56, 353965), (70, 283172), (140, 141586), (280, 70793)]