18255400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 42926940

約数和(自身を除く): 24671540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 941, 970, 1882, 1940, 2425, 3764, 3880, 4705, 4850, 7528, 9410, 9700, 18820, 19400, 23525, 37640, 47050, 91277, 94100, 182554, 188200, 365108, 456385, 730216, 912770, 1825540, 2281925, 3651080, 4563850, 9127700, 18255400]

約数ペア:

[(1, 18255400), (2, 9127700), (4, 4563850), (5, 3651080), (8, 2281925), (10, 1825540), (20, 912770), (25, 730216), (40, 456385), (50, 365108), (97, 188200), (100, 182554), (194, 94100), (200, 91277), (388, 47050), (485, 37640), (776, 23525), (941, 19400), (970, 18820), (1882, 9700), (1940, 9410), (2425, 7528), (3764, 4850), (3880, 4705)]