19690700

素因数分解:

$2^2\times 5^2\times {\mathrm{196907}}^1$

素因数の和:196921

約数の個数: 18

約数和(自身を含む): 42729036

約数和(自身を除く): 23038336

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 196907, 393814, 787628, 984535, 1969070, 3938140, 4922675, 9845350, 19690700]

約数ペア:

[(1, 19690700), (2, 9845350), (4, 4922675), (5, 3938140), (10, 1969070), (20, 984535), (25, 787628), (50, 393814), (100, 196907)]