18009568

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1559}}^1$

素因数の和:1607

約数の個数: 36

約数和(自身を含む): 37444680

約数和(自身を除く): 19435112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1559, 2888, 3118, 5776, 6236, 11552, 12472, 24944, 29621, 49888, 59242, 118484, 236968, 473936, 562799, 947872, 1125598, 2251196, 4502392, 9004784, 18009568]

約数ペア:

[(1, 18009568), (2, 9004784), (4, 4502392), (8, 2251196), (16, 1125598), (19, 947872), (32, 562799), (38, 473936), (76, 236968), (152, 118484), (304, 59242), (361, 49888), (608, 29621), (722, 24944), (1444, 12472), (1559, 11552), (2888, 6236), (3118, 5776)]