17897240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23549}}^1$

素因数の和:23579

約数の個数: 32

約数和(自身を含む): 42390000

約数和(自身を除く): 24492760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23549, 47098, 94196, 117745, 188392, 235490, 447431, 470980, 894862, 941960, 1789724, 2237155, 3579448, 4474310, 8948620, 17897240]

約数ペア:

[(1, 17897240), (2, 8948620), (4, 4474310), (5, 3579448), (8, 2237155), (10, 1789724), (19, 941960), (20, 894862), (38, 470980), (40, 447431), (76, 235490), (95, 188392), (152, 117745), (190, 94196), (380, 47098), (760, 23549)]