19902316

素因数分解:

$2^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1171}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 39904256

約数和(自身を除く): 20001940

約数列:

[1, 2, 4, 7, 14, 28, 607, 1171, 1214, 2342, 2428, 4249, 4684, 8197, 8498, 16394, 16996, 32788, 710797, 1421594, 2843188, 4975579, 9951158, 19902316]

約数ペア:

[(1, 19902316), (2, 9951158), (4, 4975579), (7, 2843188), (14, 1421594), (28, 710797), (607, 32788), (1171, 16996), (1214, 16394), (2342, 8498), (2428, 8197), (4249, 4684)]