19597880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5051}}^1$

素因数の和:5159

約数の個数: 32

約数和(自身を含む): 44558640

約数和(自身を除く): 24960760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 5051, 10102, 20204, 25255, 40408, 50510, 101020, 202040, 489947, 979894, 1959788, 2449735, 3919576, 4899470, 9798940, 19597880]

約数ペア:

[(1, 19597880), (2, 9798940), (4, 4899470), (5, 3919576), (8, 2449735), (10, 1959788), (20, 979894), (40, 489947), (97, 202040), (194, 101020), (388, 50510), (485, 40408), (776, 25255), (970, 20204), (1940, 10102), (3880, 5051)]