16987628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19571}}^1$

素因数の和:19613

約数の個数: 24

約数和(自身を含む): 35073024

約数和(自身を除く): 18085396

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 19571, 39142, 78284, 136997, 273994, 547988, 606701, 1213402, 2426804, 4246907, 8493814, 16987628]

約数ペア:

[(1, 16987628), (2, 8493814), (4, 4246907), (7, 2426804), (14, 1213402), (28, 606701), (31, 547988), (62, 273994), (124, 136997), (217, 78284), (434, 39142), (868, 19571)]