19007908

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 34020000

約数和(自身を除く): 15012092

約数列:

[1, 2, 4, 89, 107, 178, 214, 356, 428, 499, 998, 1996, 9523, 19046, 38092, 44411, 53393, 88822, 106786, 177644, 213572, 4751977, 9503954, 19007908]

約数ペア:

[(1, 19007908), (2, 9503954), (4, 4751977), (89, 213572), (107, 177644), (178, 106786), (214, 88822), (356, 53393), (428, 44411), (499, 38092), (998, 19046), (1996, 9523)]