19690664

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1459}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 42398400

約数和(自身を除く): 22707736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1459, 1687, 1928, 2918, 3374, 5836, 6748, 10213, 11672, 13496, 20426, 40852, 81704, 351619, 703238, 1406476, 2461333, 2812952, 4922666, 9845332, 19690664]

約数ペア:

[(1, 19690664), (2, 9845332), (4, 4922666), (7, 2812952), (8, 2461333), (14, 1406476), (28, 703238), (56, 351619), (241, 81704), (482, 40852), (964, 20426), (1459, 13496), (1687, 11672), (1928, 10213), (2918, 6748), (3374, 5836)]