19687612

素因数分解:

$2^2\times 7^2\times {\mathrm{100447}}^1$

素因数の和:100465

約数の個数: 18

約数和(自身を含む): 40078752

約数和(自身を除く): 20391140

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 100447, 200894, 401788, 703129, 1406258, 2812516, 4921903, 9843806, 19687612]

約数ペア:

[(1, 19687612), (2, 9843806), (4, 4921903), (7, 2812516), (14, 1406258), (28, 703129), (49, 401788), (98, 200894), (196, 100447)]