15981584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{52571}}^1$

素因数の和:52598

約数の個数: 20

約数和(自身を含む): 32594640

約数和(自身を除く): 16613056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 52571, 105142, 210284, 420568, 841136, 998849, 1997698, 3995396, 7990792, 15981584]

約数ペア:

[(1, 15981584), (2, 7990792), (4, 3995396), (8, 1997698), (16, 998849), (19, 841136), (38, 420568), (76, 210284), (152, 105142), (304, 52571)]