19986310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17934650

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 769, 1130, 1538, 2599, 3845, 5198, 7690, 12995, 17687, 25990, 35374, 86897, 88435, 173794, 176870, 434485, 868970, 1998631, 3997262, 9993155, 19986310]

約数ペア:

[(1, 19986310), (2, 9993155), (5, 3997262), (10, 1998631), (23, 868970), (46, 434485), (113, 176870), (115, 173794), (226, 88435), (230, 86897), (565, 35374), (769, 25990), (1130, 17687), (1538, 12995), (2599, 7690), (3845, 5198)]